From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../Chapter1_1.ipynb | 311 --------------------- 1 file changed, 311 deletions(-) delete mode 100755 backup/Modern_Physics_By_G.Aruldas_version_backup/Chapter1_1.ipynb (limited to 'backup/Modern_Physics_By_G.Aruldas_version_backup/Chapter1_1.ipynb') diff --git a/backup/Modern_Physics_By_G.Aruldas_version_backup/Chapter1_1.ipynb b/backup/Modern_Physics_By_G.Aruldas_version_backup/Chapter1_1.ipynb deleted file mode 100755 index 483d55f3..00000000 --- a/backup/Modern_Physics_By_G.Aruldas_version_backup/Chapter1_1.ipynb +++ /dev/null @@ -1,311 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:467ef5c6562d2c93b60e422b9b9a8c5a34323da84f6c33e87f513c3c578db36d" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "1: The special theory of relativity" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.2, Page number 10" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "c=1; #assume\n", - "udash=0.9*c; #speed of 2nd rocket\n", - "v=0.6*c; #speed of 1st rocket\n", - "\n", - "#Calculation\n", - "u1=(udash+v)/(1+(udash*v/(c**2))); #speed of 2nd rocket in same direction\n", - "u2=(-udash+v)/(1-(udash*v/(c**2))); #speed of 2nd rocket in opposite direction\n", - "\n", - "#Result\n", - "print \"speed of 2nd rocket in same direction is\",round(u1,3),\"*c\"\n", - "print \"speed of 2nd rocket in opposite direction is\",round(u2,3),\"*c\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "speed of 2nd rocket in same direction is 0.974 *c\n", - "speed of 2nd rocket in opposite direction is -0.652 *c\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.3, Page number 12" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "#given L0-L/L0=0.01.so L=0.99*L0\n", - "LbyL0=0.99;\n", - "c=1; #assume\n", - "\n", - "#Calculation\n", - "v2=(c**2)*(1-(LbyL0)**2);\n", - "v=math.sqrt(v2); #speed\n", - "\n", - "#Result\n", - "print \"speed is\",round(v,3),\"*c\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "speed is 0.141 *c\n" - ] - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.4, Page number 12" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "delta_tow=2.6*10**-8; #mean lifetime at rest(s)\n", - "d=20; #distance(m)\n", - "c=3*10**8; #speed of light(m/s)\n", - "\n", - "#Calculation\n", - "#delta_t=d/v\n", - "v2=(c**2)/(1+(delta_tow*c/d)**2);\n", - "v=math.sqrt(v2); #speed of unstable particle(m/s)\n", - "\n", - "#Result\n", - "print \"speed of unstable particle is\",round(v/10**8,1),\"*10**8 m/s\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "speed of unstable particle is 2.8 *10**8 m/s\n" - ] - } - ], - "prompt_number": 7 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.5, Page number 13" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "delta_t=5*10**-6; #mean lifetime(s)\n", - "c=1; #assume\n", - "v=0.9*c; #speed of beam\n", - "\n", - "#Calculation\n", - "delta_tow=delta_t*math.sqrt(1-(v/c)**2); #proper lifetime of particles(s)\n", - "\n", - "#Result\n", - "print \"proper lifetime of particles is\",round(delta_tow*10**6,2),\"*10**-6 s\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "proper lifetime of particles is 2.18 *10**-6 s\n" - ] - } - ], - "prompt_number": 9 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.6, Page number 15" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "c=1; #assume\n", - "m0bym=100/120; #ratio of masses\n", - "\n", - "#Calculation\n", - "v=c*math.sqrt(1-(m0bym**2)); #speed of body\n", - "\n", - "#Result\n", - "print \"speed of body is\",round(v,3),\"*c\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "speed of body is 0.553 *c\n" - ] - } - ], - "prompt_number": 11 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.7, Page number 17" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "c=3*10**8; #speed of light(m/s)\n", - "deltaE=4*10**26; #energy of sun(J/s)\n", - "\n", - "#Calculation\n", - "deltam=deltaE/c**2; #change in mass(kg)\n", - "\n", - "#Result\n", - "print \"change in mass is\",round(deltam/10**9,2),\"*10**9 kg\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "change in mass is 4.44 *10**9 kg\n" - ] - } - ], - "prompt_number": 13 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example number 1.8, Page number 17" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#importing modules\n", - "import math\n", - "from __future__ import division\n", - "\n", - "#Variable declaration\n", - "c=1; #assume\n", - "T=10; #kinetic energy(MeV)\n", - "m0c2=0.512; #rest energy of electron(MeV)\n", - "\n", - "#Calculation\n", - "E=T+m0c2; #total energy(MeV)\n", - "p=math.sqrt((E**2)-(m0c2**2))/c; #momentum of electron(MeV/c)\n", - "v=c*math.sqrt(1-(m0c2/E)**2); #velocity of electron(c)\n", - "\n", - "#Result\n", - "print \"momentum of electron is\",round(p,1),\"MeV/c\"\n", - "print \"velocity of electron is\",round(v,4),\"*c\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "momentum of electron is 10.5 MeV/c\n", - "velocity of electron is 0.9988 *c\n" - ] - } - ], - "prompt_number": 16 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit