From 92cca121f959c6616e3da431c1e2d23c4fa5e886 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Tue, 7 Apr 2015 15:58:05 +0530 Subject: added books --- Modern_Physics/chapter1_1.ipynb | 383 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 383 insertions(+) create mode 100755 Modern_Physics/chapter1_1.ipynb (limited to 'Modern_Physics/chapter1_1.ipynb') diff --git a/Modern_Physics/chapter1_1.ipynb b/Modern_Physics/chapter1_1.ipynb new file mode 100755 index 00000000..25ce0403 --- /dev/null +++ b/Modern_Physics/chapter1_1.ipynb @@ -0,0 +1,383 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:70cab6f9b725623fc2451b245c5190bb3397c02f8debec03cc8b79cdd3e4b714" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "1: Electric and Magnetic Fields" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.1, Page number 4" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "q1=3.2*10**-19;\n", + "q2=q1; #q1 and q2 are the values of charge on alpha-particle(C)\n", + "d=10**-13; #distance between two alpha-particles(m)\n", + "m1=6.68*10**-27;\n", + "m2=m1; #m1 and m2 are masses of alpha-particles(kg)\n", + "G=6.67*10**-11; #Gravitational constant(Nm^2/kg^2)\n", + "\n", + "#Calculation\n", + "F1=(9*10**9)*(q1*q2)/(d**2); #calculation of electrostatic force(N)\n", + "F2=G*(m1*m2)/(d**2); #calculation of electrostatic force(N)\n", + "F1=math.ceil(F1*10**4)/10**4; #rounding off to 4 decimals\n", + "F1 = F1*10**2;\n", + "\n", + "#Result\n", + "print \"The electrosatic force is\",F1,\"*10**-2 N\"\n", + "print \"The gravitational force is\",round(F2/1e-37,3),\"*10**-37 N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The electrosatic force is 9.22 *10**-2 N\n", + "The gravitational force is 2.976 *10**-37 N\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.2, Page number 4" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "m=9.1*10**-31; #mass of elctron(kg)\n", + "q=1.6*10**-19; #charge on electron(C)\n", + "g=9.81; #acceleration due to gravity(m/s^2)\n", + "\n", + "#Calculation\n", + "Fg=m*g; #gravitational force(N)\n", + "d=math.sqrt((9*10**9*q**2)/Fg); #equating gravitational force with electrosatic force(m)\n", + "d=math.ceil(d*10**3)/10**3; #rounding off to 4 decimals\n", + "\n", + "#Result\n", + "print \"The distance of separation is\",d,\"m\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The distance of separation is 5.081 m\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.3, Page number 4" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "d=0.02; #distance between plates(m)\n", + "V=400; #potential differnce of plates(V)\n", + "q=1.6*10**-19; #charge on a proton(C)\n", + "\n", + "#Calculation\n", + "E=V/d; #electric field intensity between plates(V/m)\n", + "F=q*E; #electrostatic force on oil drop(N)\n", + "\n", + "#Result\n", + "print \"The electric field intensity between plates is\",E,\"V/m\"\n", + "print \"The force on proton is\",F,\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The electric field intensity between plates is 20000.0 V/m\n", + "The force on proton is 3.2e-15 N\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.4, Page number 4" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "d=0.02; #distance between plates(m)\n", + "q=1.6*10**-19; #charge on oil drop(C)\n", + "V=6000; #potential differnce of plates(V)\n", + "g=9.81; #acceleration due to gravity(m/s^2)\n", + "\n", + "#Calculation\n", + "E=V/d; #electric field intensity between plates(V/m)\n", + "F=q*E; #electrostatic force on oil drop(N)\n", + "m=F/g; #equating the weight of oil drop to the electrostatic force on it(kg)\n", + "\n", + "#Result\n", + "print \"The mass of oil drop is\",round(m/1e-15,3),\"*10**-15 kg\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The mass of oil drop is 4.893 *10**-15 kg\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.5, Page number 5" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "V=150; #potential difference between anode and cathode(V)\n", + "m=9.31*10**-31; #mass of an electron(kg)\n", + "q=1.6*10**-19; #charge on an electron(C)\n", + "\n", + "#Calculation\n", + "E=q*V; #energy gained by electron during speeding from cathode to anode(J)\n", + "vel=math.sqrt(E*2/m); #equating with kinetic energy of electron(m/s)\n", + "vel=vel*10**-6;\n", + "vel=math.ceil(vel*10)/10; #rounding off to 1 decimal\n", + "\n", + "#Result\n", + "print \"The velocity is\",vel,\"*10**6 m/s\"\n", + "print \"answer in the book is wrong by 1 decimal\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The velocity is 7.2 *10**6 m/s\n", + "answer in the book is wrong by 1 decimal\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.6, Page number 5" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "V=5*10**6; #potential differnce through which alpha-particle is accelerated(V)\n", + "e=1.6*10**-19; #charge on electron(C)\n", + "\n", + "#Calculation\n", + "E1=2*V; #electronic charge on alpha-particle(eV)\n", + "E2=E1/10**6; #energy(MeV)\n", + "E3=E1*e; #energy(J)\n", + "E1=E1*10**-7; \n", + "\n", + "#Result\n", + "print \"The energy is\",E1,\"*10**7 eV\"\n", + "print \"The energy is\",E2,\"MeV\"\n", + "print \"The energy is\",E3,\"J\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The energy is 1.0 *10**7 eV\n", + "The energy is 10.0 MeV\n", + "The energy is 1.6e-12 J\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.7, Page number 6" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "r=0.528*10**-10; #radius of the orbit(m)\n", + "q=-1.6*10**-19; #charge on electron(C)\n", + "Q=1.6*10**-19; #charge on Hydrogen nucleus(C)\n", + "Eo=8.854*10**-12; #permittivity in free space(F/m)\n", + "\n", + "#Calculation\n", + "E=(q*Q)/(8*3.14*Eo*r); #electric field intensity between plates(V/m)\n", + "E1=E/(1.6*10**-19); #electrifeild intensity(eV)\n", + "E=E*10**19;\n", + "E=math.ceil(E*10**2)/10**2; #rounding off to 2 decimals\n", + "E1=math.ceil(E1*10**2)/10**2; #rounding off to 2 decimals\n", + "\n", + "#Result\n", + "print \"The total energy is\",E,\"*10**-19 J\"\n", + "print \"The total energy is\",E1,\"eV\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The total energy is -21.79 *10**-19 J\n", + "The total energy is -13.62 eV\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example number 1.8, Page number 9" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#import modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "Q=3.2*10**-19; #charge on alpha-particle(C)\n", + "m=6.68*10**-27; #mass on alpha-particle(kg)\n", + "B=1.5; #transverse magnetic field of flux density(Wb/m^2)\n", + "v=5*10**6; #velocity of alpha-particle(m/s)\n", + "\n", + "#Calculation\n", + "F=B*Q*v; #electrostatic force on oil drop(N)\n", + "R=m*v/(Q*B); #radius(m)\n", + "R=math.ceil(R*10**2)/10**2; #rounding off to 2 decimals\n", + "R1 = R*100; #radius(cm)\n", + "\n", + "#Result\n", + "print \"The force on particle is\",F,\"N\"\n", + "print \"The radius of its circular path\",R,\"m or\",R1,\"cm\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The force on particle is 2.4e-12 N\n", + "The radius of its circular path 0.07 m or 7.0 cm\n" + ] + } + ], + "prompt_number": 8 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit