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Diffstat (limited to 'Modern_Physics/chapter2.ipynb')
| -rwxr-xr-x | Modern_Physics/chapter2.ipynb | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/Modern_Physics/chapter2.ipynb b/Modern_Physics/chapter2.ipynb deleted file mode 100755 index c02388c1..00000000 --- a/Modern_Physics/chapter2.ipynb +++ /dev/null @@ -1,215 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:8d579c32fbc82bfc0d050265719851f3d1a9f6f9fcc17df43ae5b1c38cc41c26"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "2: The Electron"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example number 2.1, Page number 18"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#import modules\n",
- "import math\n",
- "from __future__ import division\n",
- "\n",
- "#Variable declaration\n",
- "E=2400; #electric field intensity(V/m)\n",
- "V=90; #potential difference(V)\n",
- "e=1.6*10**-19; #the charge on electron(C)\n",
- "m=9.12*10**-31; #mass of electron(kg)\n",
- "\n",
- "#Calculation\n",
- "F=e*E; #force on electron(N)\n",
- "a=F/m; #acceleration(m/s^2) \n",
- "KE=e*V; #Kinetic Energy of particle(J) \n",
- "v=math.sqrt(2*KE/m); #velocity of the electron(m/s)\n",
- "v=v*10**-6;\n",
- "v=math.ceil(v*10**2)/10**2; #rounding off to 2 decimals\n",
- "\n",
- "#Result\n",
- "print \"The force on electron is\",F,\"N\"\n",
- "print \"Its acceleration is\",round(a/1e+14,2),\"*10**14 m/s^2\"\n",
- "print \"The Kinetic Energy of particle is\",KE,\"J\"\n",
- "print \"The velocity of the electron\",v,\"*10**6 m/s\"\n",
- "print \"answers for acceleration and velocity given in the book varies due to rounding off errors\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The force on electron is 3.84e-16 N\n",
- "Its acceleration is 4.21 *10**14 m/s^2\n",
- "The Kinetic Energy of particle is 1.44e-17 J\n",
- "The velocity of the electron 5.62 *10**6 m/s\n",
- "answers for acceleration and velocity given in the book varies due to rounding off errors\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example number 2.2, Page number 18"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#import modules\n",
- "import math\n",
- "from __future__ import division\n",
- "\n",
- "#Variable declaration\n",
- "V=900; #potential difference(V)\n",
- "B=0.01; #uniform magnetic field(Wb/m^2)\n",
- "em=1.76*10**11; #value of e/m(C/kg)\n",
- "\n",
- "#calculation\n",
- "v=math.sqrt(2*em*V); #linear velocity of electron(m/s)\n",
- "R=v/(em*B); #radius of the circular path(m) \n",
- "R=math.ceil(R*10**3)/10**3; #rounding off to 3 decimals\n",
- "v=v*10**-7;\n",
- "v=math.ceil(v*10**2)/10**2; #rounding off to 2 decimals\n",
- "\n",
- "#Result\n",
- "print \"The linear velocity of electron is\",v,\"*10**7 m/s\"\n",
- "print \"The radius of the circular path is\",R,\"m\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The linear velocity of electron is 1.78 *10**7 m/s\n",
- "The radius of the circular path is 0.011 m\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example number 2.3, Page number 18"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#import modules\n",
- "import math\n",
- "from __future__ import division\n",
- "\n",
- "#Variable declaration\n",
- "d=6*10**-3; #distance between plates(m)\n",
- "V=900; #potential difference(V)\n",
- "B=0.5; #uniform magnetic field(Wb/m^2)\n",
- "Q=1.6*10**-19; #the charge on electron(C)\n",
- "R=10.6*10**-2; #circular track radius(m)\n",
- "\n",
- "#calculation\n",
- "v=V/(B*d); #velocity(m/s)\n",
- "m=R*Q*B/v; #mass of particle(kg)\n",
- "\n",
- "#Result\n",
- "print \"The mass of particle\",round(m/1e-26,3),\"*10**-26 kg\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The mass of particle 2.827 *10**-26 kg\n"
- ]
- }
- ],
- "prompt_number": 16
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example number 2.4, Page number 19"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#import modules\n",
- "import math\n",
- "from __future__ import division\n",
- "\n",
- "#Variable declaration\n",
- "V=6920; #potential difference(V)\n",
- "d=1.3*10**-2; #distance between(m)\n",
- "v=1.9*10**-4; #velocity(m/s)\n",
- "p=0.9*10**3; #density of oil(kg/m^3)\n",
- "n=1.81*10**-5; #coefficient of viscosity(N-s/m^2)\n",
- "g=9.81; #accelaration due to gravity(m/s^2)\n",
- "\n",
- "#calculation\n",
- "a=math.sqrt((9*n*v)/(2*g*p)); #radius of the drop(m) \n",
- "E=V/d; #electric field(V/m)\n",
- "Q=4*math.pi*(a**3)*p*g/(3*E); #value of charge on oil drop(C)\n",
- "\n",
- "#Result\n",
- "print \"The radius of the drop is\",round(a/1e-6,2),\"micro m\"\n",
- "print \"The value of charge on oil drop is\",round(Q/1e-19,3),\"*10^-19 C\"\n",
- "print \"answers given in the book are wrong\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The radius of the drop is 1.32 micro m\n",
- "The value of charge on oil drop is 1.612 *10^-19 C\n",
- "answers given in the book are wrong\n"
- ]
- }
- ],
- "prompt_number": 2
- }
- ],
- "metadata": {}
- }
- ]
-}
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