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diff --git a/Principles_of_physics/chapter10.ipynb b/Principles_of_physics/chapter10.ipynb new file mode 100755 index 00000000..3b53a368 --- /dev/null +++ b/Principles_of_physics/chapter10.ipynb @@ -0,0 +1,203 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:3f76c4dafe83129bfa41f6667339b27d23cec6e550015e787119c4ce10873761"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 10 Difraction"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.1 Page no 154"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "D=1 #Distance of screen from the slit in m\n",
+ "w=6000 #Wavelength in Angstrom\n",
+ "w1=0.6 #Slit width in mm\n",
+ "\n",
+ "#Calculations\n",
+ "x=((2*D*w*10**-10)/(w1*10**-3))*1000\n",
+ "\n",
+ "#Output\n",
+ "print\"Width of central band is \",x,\"mm\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Width of central band is 2.0 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.2 Page no 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "d1=6000.0 #Diffraction grating have number of lines per cm\n",
+ "q=50 #Diffracted second order spectral line observed in degrees\n",
+ "n=2 #Second order\n",
+ "\n",
+ "#Calculations\n",
+ "import math\n",
+ "w=(math.sin(q*3.14/180.0)/(d1*n))*10**8\n",
+ "\n",
+ "#Output\n",
+ "print\"Wavelength of radiation is \",round(w,1),\"Angstrom\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Wavelength of radiation is 6381.3 Angstrom\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.3 Page no 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "d1=6000 #Diffraction grating have number of lines per cm\n",
+ "w=6000 #Wavelength in Angstrom\n",
+ "\n",
+ "#Calculations\n",
+ "n=(1/(d1*w*10**-8))\n",
+ "\n",
+ "#Output\n",
+ "print\"Maximum order of diffraction that can be observed is \",round(n,2)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum order of diffraction that can be observed is 2.78\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.4 Page no 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "B=(3*3.14)/2 #First secondary maxima at B\n",
+ "\n",
+ "#Calculations\n",
+ "import math\n",
+ "I=(math.sin(B)/B)**2\n",
+ "\n",
+ "#Output\n",
+ "print\"Ratio of intensity of central maxima to first secondary maxima is \",round(I,3)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Ratio of intensity of central maxima to first secondary maxima is 0.045\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.5 Page no 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "w=6400 #Wave length of light in Angstrom\n",
+ "w1=0.3 #Slit width in mm\n",
+ "d=110 #Distance of screen from the slit in cm\n",
+ "n=3 #order\n",
+ "\n",
+ "#Calculations\n",
+ "x=((n*w*10**-10*(d/100.0))/(w1*10**-3))*1000\n",
+ "\n",
+ "#Output\n",
+ "print\"Distance between the centre of the central maximum and the third dark fringe is \",x,\"mm\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Distance between the centre of the central maximum and the third dark fringe is 7.04 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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