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-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter1.ipynb1324
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter2.ipynb681
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter3.ipynb624
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter4&5.ipynb237
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter6.ipynb274
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter7.ipynb402
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter8.ipynb197
-rw-r--r--Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter9.ipynb194
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+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 1 : Interference"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 241"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Fringe width in Youngs Double Slit Experiment is Beta= 0.5890 *10**-3 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=0.5 #Distance from Screen\n",
+ "d=0.5 #Distance between parallel slits\n",
+ "lambdaa=5890 #Wavelength\n",
+ "\n",
+ "#Calculations\n",
+ "Beta=(D*lambdaa)/(d)/10**4\n",
+ "\n",
+ "#Result\n",
+ "print\"The Fringe width in Youngs Double Slit Experiment is Beta= %1.4f\" %Beta,\"*10**-3 m\"\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 241"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Double slit separation 2d= 5.1 mu m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=2 #Distance from screen\n",
+ "lambdaa=5100 #Wavelength\n",
+ "Beta=0.02 #Fringe Width\n",
+ "x=10 #No. of fringes\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "d=(x*D*lambdaa)/Beta/10**6\n",
+ "\n",
+ "#Result\n",
+ "print\"The Double slit separation 2d=\",d,\"mu m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 241"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength lamda=0.5890 *10**-6 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=1 #Distance from screen\n",
+ "Beta=0.31*10**-3 #Fringe Width\n",
+ "d=1.9*10**-3 #Slit separation\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(Beta*d*10**6)/D\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength lamda=%0.4f\"%lambdaa,\"*10**-6 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 242"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The position of the 10th fringe is 1.178 *10**-4 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=0.04 #Distance from screen\n",
+ "Lambdaa=5890*10**-10 #Wavelength\n",
+ "d=2*10**-3 #Slit separation\n",
+ "n=10 #No. of fringes\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "x10=(n*D*lambdaa*10**-2)/d\n",
+ "\n",
+ "#Result\n",
+ "print\"The position of the 10th fringe is\",x10,\"*10**-4 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 5 , Page number 242"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The position of the 10th fringe is 5 *10**-4 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=0.8 #Distance from screen\n",
+ "Lambdaa=5890*10**-10 #Wavelength\n",
+ "Beta=9.424*10**-4 #Fringe Width\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "d=(D*lambdaa*10**-2)/Beta\n",
+ "\n",
+ "#Result\n",
+ "print\"The position of the 10th fringe is %i\"%d,\"*10**-4 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 6 , Page number 242"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 6,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Fringe width observed at a distance of 1m from BP is 37.2 *10**-5 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=1.1 #Distance from screen\n",
+ "Lambdaa=5900*10**-10 #Wavelength\n",
+ "d=0.00174 #Fringe separation\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Beta=(D*lambdaa*10**-1)/d\n",
+ "\n",
+ "#Result\n",
+ "print\"The Fringe width observed at a distance of 1m from BP is %1.1f\"%Beta,\"*10**-5 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 7 , Page number 243"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Angle of prism at the vertex is is 177 deg 17.8 min\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=2 #Distance from screen\n",
+ "Lambdaa=5890*10**-10 #Wavelength\n",
+ "mu=1.5 #refractive index of glass\n",
+ "a=0.25 #distance from slit\n",
+ "Beta=0.2*10**-3 #Fringe width\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "alpha=(D*lambdaa*180*10**-6)/(2*a*(mu-1)*Beta*3.14)\n",
+ "A=(180-2*(round(alpha,2)))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Angle of prism at the vertex is is %i\"%A,\"deg 17.8 min\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 8 , Page number 243"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5872.5 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D=1 #Distance from screen\n",
+ "mu=1.5 #refractive index of glass\n",
+ "a=0.5 #distance from slit\n",
+ "Beta=0.0135*10**-2 #Fringe width\n",
+ "alpha=0.0087 #angleof prism\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(Beta*2*a*(mu-1)*alpha*10**10)/D\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is\",lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 9 , Page number 244"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 9,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The fringe width would become 0.116 mm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "d=0.75 #slit separation\n",
+ "Beta=0.087*10**-3 #Fringe width\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Beta2=Beta*10**3/d\n",
+ "\n",
+ "#Result\n",
+ "print\"The fringe width would become \",Beta2,\"mm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 10 , Page number 245"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 10,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The wavelength is 5875 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "d=7.5*10**-4 #slit separation\n",
+ "Beta=0.094*10**-2 #Fringe width\n",
+ "D=1.2 #Distance from Screen\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(Beta*d*10**10)/D\n",
+ "\n",
+ "#Result\n",
+ "print\"The wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 11 , Page number 245"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 11,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Fringe width is 1.625 *10**-4 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "d=3.6125*10**-3 #slit separation\n",
+ "D=1 #Distance from Screen\n",
+ "lambdaa=5870*10**-10 #Wavelength\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Beta=(D*lambdaa*10**4)/d\n",
+ "\n",
+ "#Result\n",
+ "print\"The Fringe width is\",round(Beta,3),\"*10**-4 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 12 , Page number 246"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 12,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The wavelength is 5850 *10**-10 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "d=0.3*10**-2 #slit separation\n",
+ "D=1 #Distance from Screen\n",
+ "Beta=0.0195*10**-2 #Wavelength\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(Beta*d*10**10)/D\n",
+ "\n",
+ "#Result\n",
+ "print\"The wavelength is %i\"%lambdaa,\"*10**-10 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 13 , Page number 246"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 13,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The number of fringes would be 67\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n1=62 #fringes\n",
+ "lambdaa1=5893*10**-10 #Wavelength 1\n",
+ "lambdaa2=5461*10**-10 #Wavelength 2\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "n2=(n1*lambdaa1)/lambdaa2\n",
+ "\n",
+ "#Result\n",
+ "print\"The number of fringes would be %i\"%round(n2)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 14 , Page number 247"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 14,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The refractive index is 1.52\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5.46*10**-7 #Wavelength\n",
+ "t=6.3*10**-6 #thickness\n",
+ "\n",
+ "#Calculations\n",
+ "mu=((6*lambdaa)/t)+1\n",
+ "\n",
+ "#Result\n",
+ "print\"The refractive index is \",mu"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 15 , Page number 247"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 15,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The refractive index is 6.71 mu m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "s=2.143*10**-3\n",
+ "mu=1.542 #refractive index\n",
+ "lambdaa=5893*10**-10 #Wavelength\n",
+ "Beta=0.347*10**-3\n",
+ "\n",
+ "#Calculations\n",
+ "t=(s*lambdaa*10**6)/(Beta*(mu-1))\n",
+ "\n",
+ "#Result\n",
+ "print\"The refractive index is \",round(t,2),\"mu m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 16 , Page number 248"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 16,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The number of dark bands seen betwween 4000 A and 5000A is 12\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu=1.4 #Refractive index\n",
+ "cosr=0.8631\n",
+ "t=0.01*10**-3 #thickness\n",
+ "lambda1=4000*10**-10 #Wavelength 1\n",
+ "lambda2=5000*10**-10 #Wavelength 2\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "n1=(2*mu*t*cosr)/lambda1\n",
+ "n2=(2*mu*t*cosr)/lambda2\n",
+ "deln=round(n1)-round(n2)\n",
+ "\n",
+ "#Result\n",
+ "print\"The number of dark bands seen betwween 4000 A and 5000A is %i\"%deln"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 17 , Page number 249"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 17,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Thickness is 0.0017 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu=1.33 #Refractive index\n",
+ "cosr=0.7989\n",
+ "lambda1=6.1*10**-5 #Wavelength 1\n",
+ "lambda2=6*10**-5 #Wavelength 2\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "t=(lambda1*lambda2*10**-5)/(2*mu*cosr*(lambda1-lambda2)*10**-5)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Thickness is \",round(t,4),\" cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 18 , Page number 249"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 18,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Thickness is 1.667 mu m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=8 #number of fringes\n",
+ "lambdaa=5893*10**-10 #Wavelength\n",
+ "mu=1.5 #Refractive index\n",
+ "cosr=(2*math.sqrt(2))/3\n",
+ "#Calculations\n",
+ "t=(n*lambdaa*10**6)/(2*mu*cosr)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Thickness is \",round(t,3),\" mu m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 19 , Page number 250"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 19,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The order of interference of dark band is 6 \n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu=4/3 #refractive index\n",
+ "t=1.5 #thickness\n",
+ "cosr=0.7603\n",
+ "lambdaa=5*10**-7 #Wavelength\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "n=(2*mu*t*cosr*10**-6)/lambdaa\n",
+ "\n",
+ "#Result\n",
+ "print\"The order of interference of dark band is %i \"%n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 20 , Page number 250"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 20,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "For n=0 Lambda is 26600.0\n",
+ "For n=1 Lambda is 8866\n",
+ "For n=2 Lambda is 5320.0\n",
+ "Out of these only 5320.0 lies in the visible range for n=2\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu=1.33 #refractive index\n",
+ "n1=0\n",
+ "n2=1\n",
+ "n3=2\n",
+ "t=5*10**-7 #thickness\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambda1=(4*mu*t*10**10)/(2*n1+1)\n",
+ "lambda2=(4*mu*t*10**10)/(2*n2+1)\n",
+ "lambda3=(4*mu*t*10**10)/(2*n3+1)\n",
+ "\n",
+ "#Result\n",
+ "print\"For n=0 Lambda is\",lambda1 #The answer given in the book is 26000 however it is mathematically incorrect\n",
+ "print\"For n=1 Lambda is %i\"%lambda2 #The answer given in the book is 8666 however it is mathematically incorrect\n",
+ "print\"For n=2 Lambda is\",lambda3 # The answer given in the book is 5200 however it is mathematically incorrect\n",
+ "print\"Out of these only\",lambda3,\"lies in the visible range for n=2\" "
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 21 , Page number 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 21,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 6875 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "R=100 #radius\n",
+ "D25=0.8 #Diameter of the 25th ring\n",
+ "D5=0.3 #Diameter of the 5th ring\n",
+ "p=20 \n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=((D25**2)-(D5**2))*10**8/(4*20*100)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 22 , Page number 251"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 22,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Thickness is 2.946 cm\n",
+ "The Radius is 106.1 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=10 #no. of ring\n",
+ "D10=0.5 #Diameter of the 10th ring\n",
+ "lambdaa=5893*10**-8 #Wavelength\n",
+ " \n",
+ "#Calculations\n",
+ "R=(D10**2)/(4*10*5893*10**-8)\n",
+ "t=(D10**2)*10**4/(8*R)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Thickness is\",round(t,3),\"cm\"\n",
+ "print\"The Radius is\",round(R,1),\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 23 , Page number 252"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 23,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Diameter of the nth dark ring is 1.129 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=59 #no. of ring\n",
+ "lambdaa=6*10**-7 #Wavelength\n",
+ "R=0.9 #Radius\n",
+ " \n",
+ "#Calculations\n",
+ "D59=math.sqrt(4*R*n*lambdaa)*10**2\n",
+ "\n",
+ "#Result\n",
+ "print\"The Diameter of the nth dark ring is\",round(D59,3),\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 24 , Page number 252"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 24,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Diameter of the 20th dark ring is 0.908 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=20 #no. of ring\n",
+ "lambdaaR=0.0103 #Wavelength*R\n",
+ " \n",
+ "#Calculations\n",
+ "D20=math.sqrt(4*n*lambdaaR)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Diameter of the 20th dark ring is\",round(D20,3),\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 25 , Page number 253"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 25,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Radius is 12.25 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "D3=10**-2\n",
+ "lambdaa=5890*10**-10\n",
+ "\n",
+ " \n",
+ "#Calculations\n",
+ "R=(D3*math.sqrt(3))*10**-2/(24*lambdaa)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Radius is\",round(R,2),\"m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 26 , Page number 253"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 26,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5760 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=8 #no. of ring\n",
+ "D8=0.72*10**-2 #Diameter of the 8th ring\n",
+ "R=3 #Radius\n",
+ "\n",
+ " \n",
+ "#Calculations\n",
+ "lambdaa=(D8**2)*10**10/((2*(2*n-1))*R)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 27 , Page number 253"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 27,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Velocity in the liquid is 2.08 *10**10 m/s\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "c=3*10**10 #Speed of Light in Vacuum\n",
+ "mu=1.44 #Refractive Index\n",
+ "\n",
+ "#Calculations\n",
+ "u=c*10**-10/mu\n",
+ "\n",
+ "#Result\n",
+ "print\"The Velocity in the liquid is\",round(u,2),\"*10**10 m/s\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 27 , Page number 254"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 28,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Distance between 5th and 15th Dark ring is 0.0085 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5400*10**-10 #Wavelength\n",
+ "n1=5\n",
+ "n2=15\n",
+ "R=100 #Radius of both rings\n",
+ "\n",
+ "#Calculations\n",
+ "r5=math.sqrt((R*n1*lambdaa)/2)\n",
+ "r15=math.sqrt((R*n2*lambdaa)/2)\n",
+ "d=round(r15,4)-round(r5,4)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Distance between 5th and 15th Dark ring is\",d,\"m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 29 , Page number 255"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 29,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Refractive Index is 1.5\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "l=0.0025 #Distance moved\n",
+ "t=0.005 #thickness of mica sheet\n",
+ "\n",
+ "#Calculations\n",
+ "mu=((l/t)+1)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Refractive Index is\",mu"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 30 , Page number 255"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 30,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5896 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "l=0.02948*10**-3 #Distance moved\n",
+ "n=100 #number of fringes\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(2*l)*10**10/n\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 31 , Page number 255"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 31,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Distance by which the mirror moved is 2893953 *10**-10 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa1=5896 #Wavelength1\n",
+ "lambdaa2=5890 #Wavelength2\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "l=(lambdaa1*lambdaa2)/(2*(lambdaa1-lambdaa2))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Distance by which the mirror moved is %i\"%l,\"*10**-10 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 32 , Page number 256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 32,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Difference between two wavelengths is 5.9 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5893*10**-10 #Wavelength\n",
+ "l=0.2945*10**-3 #Distance by which mirror is displaced\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "dellambdaa=(lambdaa**2)*10**10/(2*l)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Difference between two wavelengths is \",round(dellambdaa,1),\"Angstrom\""
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter2.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter2.ipynb
new file mode 100644
index 00000000..1f094d6a
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter2.ipynb
@@ -0,0 +1,681 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 1 : Diffraction\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 256"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Total Linear Width of central maxima is 1.2 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta=6*10**-3 #Angular Width\n",
+ "D=1 #Distance of Screen\n",
+ "\n",
+ "#Calculations\n",
+ "Totalangularwidth=2*theta\n",
+ "tlw=Totalangularwidth*D*10**2\n",
+ "\n",
+ "#Result\n",
+ "print\"The Total Linear Width of central maxima is\",tlw,\"cm\"\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 257"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5600 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "e=0.14 #width of the slit\n",
+ "y=1.6 #Distance of center of dark band from middle of central bright band\n",
+ "n=2 #no. of dark band\n",
+ "D=2 #Distance from the slit\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=((e*y)/(D*n))*10**5\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 257"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 14,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Width of the slit is 0.0001 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-8 #Wavelength\n",
+ "theta=30 #Angular Width\n",
+ "\n",
+ "#Calculations\n",
+ "thetarad=math.radians(theta)\n",
+ "sinetheta=math.sin(thetarad)\n",
+ "e=(lambdaa)/(sinetheta)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Width of the slit is \",e,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 257"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 21,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5000 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "y=5*10**-3 #First Minima\n",
+ "D=2 #Distance of screen\n",
+ "e=0.2*10**-3 #Slit width\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=((e*y)/D)*10**10\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 6 , Page number 258"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 44,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelengths are 6250 Angstrom & 5000 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "y=0.005 #First Minima\n",
+ "D=1 #Distance of screen\n",
+ "e=0.5*10**-2 #Slit width\n",
+ "\n",
+ "#Calculations\n",
+ "yd=(y/D)\n",
+ "sinyd=(math.sin(yd))\n",
+ "lambdaa1=((e*sinyd)/4)*10**9\n",
+ "lambdaa2=((e*sinyd)/5)*10**9\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelengths are %4.0f\" %lambdaa1,\"Angstrom & %4.0f\"%lambdaa2,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 7 , Page number 259"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 48,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 5000 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "n=2 #order of spectral line\n",
+ "theta=30 #Angular Width\n",
+ "invde=5000 #Inverse of diffraction element\n",
+ "\n",
+ "#Calculations\n",
+ "thetarad=math.radians(theta)\n",
+ "sinetheta=math.sin(thetarad)\n",
+ "lambdaa=((sinetheta)/(n*invde))*10**8\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is %i\"%lambdaa,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 8 , Page number 259"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 56,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Angular Difference is 46.7 Degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-8 #Wavelength\n",
+ "invde=6000 #Diffraction element inverse\n",
+ "\n",
+ "#Calculations\n",
+ "sinetheta1=lambdaa*invde\n",
+ "sinetheta3=lambdaa*invde*3\n",
+ "theta1=math.degrees(math.asin(sinetheta1))\n",
+ "theta3=math.degrees(math.asin(sinetheta3))\n",
+ "deltheta=theta3-theta1\n",
+ "\n",
+ "#Result\n",
+ "print\"The Angular Difference is %2.1f\"%deltheta,\"Degrees\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 9 , Page number 260"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 59,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The orders visible would be 19\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-8 #Wavelength\n",
+ "invde=(2620/2.54) #Diffraction element inverse\n",
+ "\n",
+ "#Calculations\n",
+ "n=(1/(lambdaa*invde))\n",
+ "#Result\n",
+ "print\"The orders visible would be %i\"%n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 10 , Page number 260"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 60,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The orders visible will be from 3 to 6 order Spectrum\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa1=4000*10**-8 #Wavelength1\n",
+ "lambdaa2=7000*10**-8 #Wavelength2\n",
+ "invde=4000 #Diffraction element inverse\n",
+ "\n",
+ "#Calculations\n",
+ "n1=(1/(lambdaa1*invde))\n",
+ "n2=(1/(lambdaa2*invde))\n",
+ "#Result\n",
+ "print\"The orders visible will be from %i\"%n2,\"to %i\"%n1,\"order Spectrum\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 12 , Page number 262"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 77,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The number of line cm in grating is 5000.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-8 #Wavelength\n",
+ "theta=30 #Angular Width\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "thetarad=(math.radians(theta))\n",
+ "invde=((2*lambdaa)/(math.sin(thetarad)))**-1\n",
+ "\n",
+ "#Result\n",
+ "print\" The number of line cm in grating is\",invde"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 13 , Page number 263"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 79,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The grating element is 0.00032 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=6000*10**-8 #Wavelength\n",
+ "sinetheta=(3/4) #Angular Width\n",
+ "n=4\n",
+ "\n",
+ "#Calculations\n",
+ "gratingele=((n*lambdaa)/sinetheta)\n",
+ "#Result\n",
+ "print\" The grating element is\",gratingele,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 14 , Page number 263"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 85,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The Angle of Diffraction is 2.06 degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=6000*10**-8 #Wavelength\n",
+ "n=3\n",
+ "invde=200 #inverse of diffraction element\n",
+ "\n",
+ "#Calculations\n",
+ "sinetheta=(n*lambdaa*invde)\n",
+ "thetarad=math.asin(sinetheta)\n",
+ "theta=math.degrees(thetarad)\n",
+ "#Result\n",
+ "print\" The Angle of Diffraction is %1.2f\"%theta,\"degrees\"\n",
+ "\n",
+ "#Note:The second part of problem is theoretical and hence is not solved"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 15 , Page number 264"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 101,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The difference between the two wavelengths is 86.6 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-10 #Wavelength\n",
+ "theta=30 #Angular Width\n",
+ "dtheta=0.01\n",
+ "\n",
+ "#Calculations\n",
+ "thetarad=(math.radians(theta))\n",
+ "dlambda=((lambdaa*math.cos(thetarad))/(math.sin(thetarad)))*10**8\n",
+ "\n",
+ "#Result\n",
+ "print\" The difference between the two wavelengths is %2.1f\"%dlambda,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 16 , Page number 265"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 104,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The Maximum resolving power is 100000 or 10**5\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-8 #Wavelength\n",
+ "N=40000 #Grating lines\n",
+ "de=12.5*10**-5 #Diffraction element\n",
+ "\n",
+ "#Calculations\n",
+ "RPmax=((de*N)/lambdaa)\n",
+ "\n",
+ "#Result\n",
+ "print\" The Maximum resolving power is %i\"%RPmax,\"or 10**5\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 17 , Page number 265"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 107,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " The Minimum number of lines in the grating are 491\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5890 #Wavelength\n",
+ "dlambdaa=6 #Difference in wavelengths\n",
+ "n=2 #order\n",
+ "\n",
+ "#Calculations\n",
+ "N=((lambdaa)/(n*dlambdaa))\n",
+ "\n",
+ "#Result\n",
+ "print\" The Minimum number of lines in the grating are %3.0f\"%N"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 18 , Page number 265"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 112,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " (a)The resolving power in second order is 120000\n",
+ " (b) The smallest wavelength that can be resolved in the 3rd order in 5896 Angstrom wavelength region is 0.0328 Angstrom\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5896 #Wavelength\n",
+ "N=60000 #Total Number of lines in 10 cm\n",
+ "n1=2 #order\n",
+ "n2=3 #order\n",
+ "\n",
+ "#Calculations\n",
+ "RP=n1*N\n",
+ "dlambda=((lambdaa)/(n2*N))\n",
+ "\n",
+ "#Result\n",
+ "print\" (a)The resolving power in second order is\",RP\n",
+ "print\" (b) The smallest wavelength that can be resolved in the 3rd order in 5896 Angstrom wavelength region is %0.4f\"%dlambda,\"Angstrom\""
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+ "source": []
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter3.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter3.ipynb
new file mode 100644
index 00000000..f8c7c735
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter3.ipynb
@@ -0,0 +1,624 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 3 : Polarization"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 266"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Angle of polarization is 33 Degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu=1.54 #refractive index of glass\n",
+ "\n",
+ "#Calculations\n",
+ "ip=math.degrees(math.atan(1.54))\n",
+ "r=90-ip\n",
+ "\n",
+ "#Result\n",
+ "print\"The Angle of polarization is %2.0f\"%r,\"Degrees\"\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 266"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Angle of polarization is 1.7321 Degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "ip=60 #Angle of incidence\n",
+ "\n",
+ "#Calculations\n",
+ "mu=math.tan(math.radians(ip))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Angle of polarization is %1.4f\"%mu,\"Degrees\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 266"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 9,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Angle of Refraction is 49.11 Degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "muwater=0.8660 #Refractive index of water\n",
+ "\n",
+ "#Calculations\n",
+ "ip=math.degrees(math.atan(muwater))\n",
+ "r=90-ip\n",
+ "\n",
+ "#Result\n",
+ "print\"The Angle of Refraction is %2.2f\"%r,\"Degrees\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 267"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 17,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The thickness of the crystal is 0.003 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=6000*10**-10 #Wavelength\n",
+ "muo=1.55 #Refractive index of ordinary rays\n",
+ "mue=1.54 #Refractive index of extra ordinary rays\n",
+ "\n",
+ "#Calculations\n",
+ "t=((lambdaa)/(2*(muo-mue)))*10**2\n",
+ "\n",
+ "#Result\n",
+ "print\"The thickness of the crystal is \",t,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 5 , Page number 267"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 16,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The thickness of the crystal is 0.00147325 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5893*10**-10 #Wavelength\n",
+ "muo=1.54 #Refractive index of ordinary rays\n",
+ "mue=1.53 #Refractive index of extra ordinary rays\n",
+ "\n",
+ "#Calculations\n",
+ "t=((lambdaa)/(4*(muo-mue)))*10**2\n",
+ "\n",
+ "#Result\n",
+ "print\"The thickness of the crystal is \",t,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 6 , Page number 267"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 19,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The thickness of the crystal is 0.00268 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5893*10**-10 #Wavelength\n",
+ "muo=1.551 #Refractive index of ordinary rays\n",
+ "mue=1.54 #Refractive index of extra ordinary rays\n",
+ "\n",
+ "#Calculations\n",
+ "t=((lambdaa)/(2*(muo-mue)))*10**2\n",
+ "\n",
+ "#Result\n",
+ "print\"The thickness of the crystal is %0.5f\"%t,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 7 , Page number 268"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 24,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Amount of optical rotation produced is 198 degrees\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=4000*10**-10 #Wavelength\n",
+ "mul=1.55821 #Refractive index of left landed\n",
+ "mur=1.55810 #Refractive index of right landed\n",
+ "t=2*10**-3 #thickness\n",
+ "\n",
+ "#Calculations\n",
+ "orot=math.degrees((2*3.14*(t*(mul-mur)))/lambdaa)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Amount of optical rotation produced is %3.0f\"%orot,\"degrees\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 8 , Page number 269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 30,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Amount of optical rotation produced is 1.152 pi radians\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5000*10**-10 #Wavelength\n",
+ "muo=1.5418 #Refractive index of ordinary rays\n",
+ "mue=1.5508 #Refractive index of extra ordinary rays\n",
+ "t=0.032*10**-3 #thickness\n",
+ "\n",
+ "#Calculations\n",
+ "orot=((2*(t*(mue-muo)))/lambdaa)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Amount of optical rotation produced is\",orot,\"pi radians\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 9 , Page number 269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 34,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Specific rotation of sugar solution is 65 degree/(dm/(gm/cc))\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta=6.5 #rotation of plane\n",
+ "l=2 #length\n",
+ "c=0.05 #concentration\n",
+ "\n",
+ "#Calculations\n",
+ "s=(theta/(l*c))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Specific rotation of sugar solution is %i\"%s,\"degree/(dm/(gm/cc))\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 10 , Page number 269"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 36,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Concentration of sugar solution is, 0.1 gm/cc\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta=12 #rotation of plane\n",
+ "l=2 #length\n",
+ "s=60 #Specific rotation\n",
+ "\n",
+ "#Calculations\n",
+ "c=(theta/(l*s))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Concentration of sugar solution is,\",c,\"gm/cc\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 11 , Page number 270"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 39,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Mass of sugar dissolved in 2 liter of water for optical rotation 24 deg is 213.3 gm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta1=12 #rotation of plane\n",
+ "l1=2 #length\n",
+ "theta2=24 #rotation of plane\n",
+ "l2=3 #length\n",
+ "c1=0.08 #Concentration\n",
+ "\n",
+ "#Calculations\n",
+ "s=((theta1)/(l1*c1))\n",
+ "c2=((theta2)/(s*l2))\n",
+ "Ms=10*10*10*c2\n",
+ "Ms2=Ms*2\n",
+ "\n",
+ "#Result\n",
+ "print\"The Mass of sugar dissolved in 2 liter of water for optical rotation 24 deg is %3.1f\"%Ms2,\"gm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 12 , Page number 270"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 42,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Difference in RI is 8.4 *10**-5\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5086*10**-7 #Wavelength\n",
+ "s=29.73 #Specific rotation\n",
+ "\n",
+ "#Calculations\n",
+ "delmu=((s*lambdaa)/180)*10**5\n",
+ "\n",
+ "#Result\n",
+ "print\"The Difference in RI is %1.1f\"%delmu,\"*10**-5\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 13 , Page number 271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 43,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Concentation of sugar solution is 6.5 degree\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta1=13 #rotation of plane\n",
+ "l1=2 #length\n",
+ "l2=3 #Length\n",
+ "s=6.5 #Specific rotation\n",
+ "\n",
+ "#Calculations\n",
+ "theta=s*l2*(1/3)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Concentation of sugar solution is \",theta,\"degree\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 14 , Page number 271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 45,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Length will be 35 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta1=35 #rotation of plane\n",
+ "s=100 #Specific rotation\n",
+ "c=0.1 #Concentration\n",
+ "\n",
+ "#Calculations\n",
+ "l=((theta1)/(s*c))*10\n",
+ "\n",
+ "#Result\n",
+ "print\"The Length will be %i\"%l,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 15 , Page number 271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 46,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "percentage of purity of sample 93.75 %\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "theta1=9.9 #rotation of plane\n",
+ "l=2 #Length\n",
+ "c=0.08 #Concentration\n",
+ "s2=66 #specific rotation\n",
+ "\n",
+ "#Calculations\n",
+ "s1=((theta1)/(l*c))\n",
+ "pis=((s2-s1)/s2)*100\n",
+ "pps=100-pis\n",
+ "\n",
+ "\n",
+ "#Result\n",
+ "print\"percentage of purity of sample\",pps,\"%\""
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter4&5.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter4&5.ipynb
new file mode 100644
index 00000000..04a4ba5b
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter4&5.ipynb
@@ -0,0 +1,237 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 4 & 5 : Fiber Optics and Laser"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 273"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 16,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(a) The critical angle is :80.63 degrees\n",
+ "(b) The Fractional refractive index is :0.013\n",
+ "(c) The Acceptance angle is :0.244 Radians\n",
+ "(d) The Numerical Apperture is :0.242\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "muclad=1.48 #Refractive index of claddings\n",
+ "mucore=1.5 #Refractive index of core\n",
+ "\n",
+ "#Calculations\n",
+ "thetac=math.degrees(math.asin(muclad/mucore))\n",
+ "fri=(mucore-muclad)/mucore\n",
+ "aa=(math.sqrt((mucore**2)-(muclad**2)))\n",
+ "NA=math.sin(aa)\n",
+ "#Result\n",
+ "print\"(a) The critical angle is :%2.2f\"%thetac,\"degrees\"\n",
+ "print\"(b) The Fractional refractive index is :%1.3f\"%fri\n",
+ "print\"(c) The Acceptance angle is :%1.3f\"%aa,\"Radians\"\n",
+ "print\"(d) The Numerical Apperture is :%1.3f\"%NA"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 273"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 27,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(a) The V number is 40.64\n",
+ "(b) The number of modes are 412.81\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "a=25*10**-6 #core radius\n",
+ "lambdaa=0.85*10**-6 #Wavelength\n",
+ "NA=0.22 #Numerical Aperture\n",
+ "\n",
+ "#Calculations\n",
+ "V=((2*3.14*a*0.22)/lambdaa)\n",
+ "N=((V**2)/4)\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) The V number is %2.2f\"%V\n",
+ "print\"(b) The number of modes are %3.2f\"%N\n",
+ "\n",
+ "#Note: The answer in the book is wrongly stated as 40.66 and 413.31"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 274"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 29,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The coherence length of the laser beam is 100000.0 m or 10**5 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "c=3*10**8\n",
+ "delf=3000 #Bandwidth\n",
+ "\n",
+ "#Calculations\n",
+ "lc=(c/delf)\n",
+ "\n",
+ "#Result\n",
+ "print\"The coherence length of the laser beam is\",lc,\"m or 10**5 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 274"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 31,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The transverse coherence length is 0.005 cm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5*10**-5 #Wavelength\n",
+ "theta=32 #Angle subtended by the sun at the slit\n",
+ "\n",
+ "#Calculations\n",
+ "l=((lambdaa*60*180)/(theta*3.14))\n",
+ "\n",
+ "#Result\n",
+ "print\"The transverse coherence length is %1.3f\"%l,\"cm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 5 , Page number 274"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 36,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Degree of Monochromaticity is 18 *10**-6\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lambdaa=5400*10**-10 #Wavelength\n",
+ "tc=10**-10 #coherence time\n",
+ "c=3*10**-8 \n",
+ "\n",
+ "#Calculations\n",
+ "dom=((lambdaa)/(tc*c))*10**-10\n",
+ "\n",
+ "#Result\n",
+ "print\"The Degree of Monochromaticity is %2.0f\"%dom,\"*10**-6\""
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter6.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter6.ipynb
new file mode 100644
index 00000000..62f70106
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter6.ipynb
@@ -0,0 +1,274 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 6 : Simple Harmonic Motion"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 274"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The time taken to move from one end of its path to 0.025m from mean position is 1 sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "W=(3.14/3) #Angular frequency in radian\n",
+ "\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "t=((3.14)/(3*W))\n",
+ "\n",
+ "#Result\n",
+ "print\"The time taken to move from one end of its path to 0.025m from mean position is %i\"%t,\"sec\"\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 275"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Maximum Velocity is 0.012 m/sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "T=31.4 #Time Period\n",
+ "A=0.06 #Amplitude\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "W=((2*3.14)/T)\n",
+ "Vmax=W*A\n",
+ "\n",
+ "#Result\n",
+ "print\"The Maximum Velocity is\",Vmax,\"m/sec\"\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 275"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Time Period of Oscillation for the other body is 0.28 sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "m=8 #mass\n",
+ "g=9.8 #acceleration due to gravity\n",
+ "x=0.32 #Stretched spring deviation\n",
+ "m2=0.5 #mass of the other body\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "k=((m*g)/x)\n",
+ "T=((2*3.14)*math.sqrt(m2/k))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Time Period of Oscillation for the other body is %0.2f\"%T,\"sec\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 5 , Page number 276"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 16,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Time Interval is 14.67 sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "Q=10**4 #Quality Factor\n",
+ "f=250 #Frequency\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Tau=((Q)/(2*3.14*f))\n",
+ "t=((math.log(10,10)*20)/(0.4342944819*3.14))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Time Interval is %2.2f\"%t,\"sec\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 6 , Page number 277"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 15,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Time in which the amplitude decreases is 5.3 sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "Q=2000 #Quality Factor\n",
+ "f=240 #Frequency\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Tau=((Q)/(2*3.14*f))\n",
+ "t=4*Tau\n",
+ "\n",
+ "#Result\n",
+ "print\"The Time in which the amplitude decreases is %1.1f\"%t,\"sec\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 7 , Page number 277"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 18,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Value of A/Amax is 0.71\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "A=50/1.4 #Amplitude which is A=(50f/1.4*W**2)\n",
+ "Amax=50 #Max Amplitude which is Amax=(50f/W**2)\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "Rat=A/Amax\n",
+ "\n",
+ "#Result\n",
+ "print\"The Value of A/Amax is %0.2f\"%Rat"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter7.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter7.ipynb
new file mode 100644
index 00000000..0ef73a18
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter7.ipynb
@@ -0,0 +1,402 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 7 : Dielectric "
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 278"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Magnitude of E for a plane wave in free space is 376.5\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "E0=8.86*10**-12\n",
+ "mu0=4*3.14*10**-7\n",
+ "H=1\n",
+ "\n",
+ "#Calculations\n",
+ "E=H*(math.sqrt(mu0/E0))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Magnitude of E for a plane wave in free space is %3.1f\"%E"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 279"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 15,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Impedence of the Medium is 266.2\n",
+ "The Peak Magnetic Field Intensity is 0.188 A/m\n",
+ "The Velocity of the wave is 2.12 *10**8 m/s\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "mu0=4*3.14*10**-7\n",
+ "mur=1\n",
+ "Er=2\n",
+ "E0=8.86*10**-12\n",
+ "E01=5\n",
+ "c=3*10**8\n",
+ "\n",
+ "#Calculations\n",
+ "Z=math.sqrt((mu0*mur)/(E0*Er))\n",
+ "H0=(E01/Z)*10\n",
+ "v=((c)/math.sqrt(mur*Er))*10**-8\n",
+ "\n",
+ "#Result\n",
+ "print\"The Impedence of the Medium is %3.1f\"%Z\n",
+ "print\"The Peak Magnetic Field Intensity is %1.3f\"%H0,\"A/m\"\n",
+ "print\"The Velocity of the wave is %1.2f\"%v,\"*10**8 m/s\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 279"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 20,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Wavelength is 0.001 m or 10**-3 m\n",
+ "The Amplitude of the oscillating magnetic field is 1.67 *10**-7 T\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "c=3*10**8\n",
+ "f=3*10**11\n",
+ "E0=50\n",
+ "\n",
+ "#Calculations\n",
+ "lambdaa=(c/f)\n",
+ "B0=(E0/c)*10**7\n",
+ "\n",
+ "#Result\n",
+ "print\"The Wavelength is\",lambdaa,\"m or 10**-3 m\"\n",
+ "print\"The Amplitude of the oscillating magnetic field is %1.2f\"%B0,\"*10**-7 T\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 25,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Average solar energy incident on earth is 1.92 cal/cm**2/min\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "R=1.5*10**11 #Average distance between sun & Earth\n",
+ "P=3.8*10**26 #Power Radiated by sun\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "S=((P*60)/(4*3.14*(R**2)*4.2*100))*10**-2\n",
+ "\n",
+ "#Result\n",
+ "print\"The Average solar energy incident on earth is %1.2f\"%S,\"cal/cm**2/min\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 5 , Page number 280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 31,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Amplitude of Electric field is 1026 V/m\n",
+ "The Amplitude of Magnetic field per turn is 2.73 A-turn/m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "S=2 #solar energy\n",
+ "EH=1400\n",
+ "Z=376.6\n",
+ "\n",
+ "#Calculations\n",
+ "E=math.sqrt(EH*Z)\n",
+ "H=math.sqrt(EH/Z)\n",
+ "E0=E*math.sqrt(2)\n",
+ "H0=H*math.sqrt(2)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Amplitude of Electric field is %i\"%E0,\"V/m\"\n",
+ "print\"The Amplitude of Magnetic field per turn is %1.2f\"%H0,\"A-turn/m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 6 , Page number 281"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 33,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Intensity of Electric field is 86.58 V/m\n",
+ "The Intensity of Magnetic Field is 0.230 A-turn/m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "EH=(1000/(16*3.14))\n",
+ "Z=376.6\n",
+ "\n",
+ "#Calculations\n",
+ "E=math.sqrt(EH*Z)\n",
+ "H=math.sqrt(EH/Z)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Intensity of Electric field is %2.2f\"%E,\"V/m\"\n",
+ "print\"The Intensity of Magnetic Field is %0.3f\"%H,\"A-turn/m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 7 , Page number 281"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 42,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Intensity of Electric field is 75 Ohm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "Er=2.22 #Dielectric Constant\n",
+ "D=3.87 #Outer Diameter\n",
+ "d=0.6 #Inner Diameter\n",
+ "\n",
+ "from numpy.lib.scimath import logn\n",
+ "from math import e\n",
+ "\n",
+ "#Calculations\n",
+ "Z=((60/math.sqrt(Er))*logn(e,(D/d)))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Intensity of Electric field is %i\"%Z,\"Ohm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 8 , Page number 282"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 46,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Characteristic Impedence is 74.64 Ohm\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "C=70*10**-12 #Cable Capacitance\n",
+ "L=0.39*10**-6 #Cable Inductance\n",
+ "\n",
+ "#Calculations\n",
+ "Z0=(math.sqrt(L/C))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Characteristic Impedence is %2.2f\"%Z0,\"Ohm\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 9 , Page number 282"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 48,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Dielectric Constant of the insulation used is 2.6\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "VF=0.62 #Velocity Factor of coaxial Cable\n",
+ "\n",
+ "#Calculations\n",
+ "Er=(1/(VF**2))\n",
+ "\n",
+ "#Result\n",
+ "print\"The Dielectric Constant of the insulation used is %1.1f\"%Er"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter8.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter8.ipynb
new file mode 100644
index 00000000..f0adbe2b
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter8.ipynb
@@ -0,0 +1,197 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 8 : Electromagnetic Theory"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 282"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Dipole Moment induced in each Helium atom is 0.244 *10**-38 Coul-m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "k=1.000074\n",
+ "E=100\n",
+ "E0=8.854*10**-12\n",
+ "n=0.268*10**26\n",
+ "\n",
+ "#Calculations\n",
+ "p=(k-1)*E0*E\n",
+ "P=(p/n)*10**38\n",
+ "\n",
+ "#Result\n",
+ "print\"The Dipole Moment induced in each Helium atom is %1.3f\"%P,\"*10**-38 Coul-m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 283"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 24,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The Electrical Susceptibility is 0.000074\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "k=1.000074\n",
+ "#Calculations\n",
+ "X=(k-1)\n",
+ "\n",
+ "#Result\n",
+ "print\"The Electrical Susceptibility is %0.6f\"%X\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 283"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 15,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(a) The Value of Er is 5\n",
+ "(b) The Net Dipole Moment is 0.0002 coul-m or 2*10**-4 coul-m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "E=1*10**-4\n",
+ "D=5*10**-4\n",
+ "V=0.5\n",
+ "P=4*10**-4\n",
+ "\n",
+ "#Calculations\n",
+ "Er=(D/E)\n",
+ "NDM=P*V\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) The Value of Er is %i\"%Er\n",
+ "print\"(b) The Net Dipole Moment is \",NDM,\"coul-m or 2*10**-4 coul-m\"\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 283"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 33,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(a) The Polarization in the Dielectric is 17.71 *10**-6 coul/m**2\n",
+ "(b) The Displacement Current Density is 26.56 *10**-6 coul/m**2\n",
+ "(c) The Energy Density is 13.281 J/m**3\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "k=3\n",
+ "E0=8.854*10**-12\n",
+ "E=10**6\n",
+ "\n",
+ "#Calculations\n",
+ "P=(E0*(k-1)*E)*10**6\n",
+ "D=(E0*k*E)*10**6\n",
+ "Ed=0.5*E0*k*(E**2)\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) The Polarization in the Dielectric is %2.2f\"%P,\"*10**-6 coul/m**2\"\n",
+ "print\"(b) The Displacement Current Density is %2.2f\"%D,\"*10**-6 coul/m**2\"\n",
+ "print\"(c) The Energy Density is\",Ed,\"J/m**3\"\n"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.11"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
diff --git a/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter9.ipynb b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter9.ipynb
new file mode 100644
index 00000000..49a8b300
--- /dev/null
+++ b/Engineering_Physics_by_Prabir_K_Basu_&_Hrishikesh_Dhasmana/Chapter9.ipynb
@@ -0,0 +1,194 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 9 : Special Theory of Relativity"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 1 , Page number 284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 12,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Change in length in diameter= 6.37 *10**-2 m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "l=2*6371 #Diameter of earth\n",
+ "v=30 #velocity\n",
+ "c=3*10**5 #velocity of light\n",
+ "\n",
+ "#Calculations\n",
+ "dell=(l*v**2)/(2*c**2)/10**-5\n",
+ "\n",
+ "#Result\n",
+ "print\"Change in length in diameter=\",round(dell,2),\"*10**-2 m\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 2 , Page number 284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 27,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "The minimum speed v= 0.99999996247 c\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "delt=10 #time duration at earth\n",
+ "delt1=1/365 \n",
+ "\n",
+ "#Calculations\n",
+ "v=math.sqrt(1-(delt1/delt)**2)\n",
+ "\n",
+ "#Result\n",
+ "print\"The minimum speed v= \",v,\"c\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 3 , Page number 285"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 39,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(1) The time taken on earth (t) = 21.05 year\n",
+ "(2) The time taken on spaceship (t1) = 6.53 year\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "L0=20 #The distance of the star\n",
+ "v=0.95 #velocity\n",
+ "\n",
+ "#Calculations\n",
+ "t=L0/v\n",
+ "L=L0*math.sqrt(1-v**2)\n",
+ "L=round(L,1)\n",
+ "t1=(L*3*10**8)/(v*3*10**8)\n",
+ "\n",
+ "#Result\n",
+ "print\"(1) The time taken on earth (t) = \",round(t,2),\"year\"\n",
+ "print\"(2) The time taken on spaceship (t1) = \",round(t1,2),\"year\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example number 4 , Page number 285"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 45,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "(1) The height will be same and the length(L0) = 6.25 m\n",
+ "(2) The time elapsed on his friend's watch(t1) = 8.0 sec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "L=5 #Lenth\n",
+ "v=0.6 #velocity\n",
+ "t=10 #time\n",
+ "\n",
+ "#Calculations\n",
+ "L0=L/math.sqrt(1-v**2)\n",
+ "t1=t*math.sqrt(1-v**2)\n",
+ "\n",
+ "#Result\n",
+ "print\"(1) The height will be same and the length(L0) = \",L0,\"m\"\n",
+ "print\"(2) The time elapsed on his friend's watch(t1) = \",t1,\"sec\""
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.3"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
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