From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../chapter4.ipynb | 329 --------------------- 1 file changed, 329 deletions(-) delete mode 100755 backup/Quantum_mechanics_by_M.C.Jain_version_backup/chapter4.ipynb (limited to 'backup/Quantum_mechanics_by_M.C.Jain_version_backup/chapter4.ipynb') diff --git a/backup/Quantum_mechanics_by_M.C.Jain_version_backup/chapter4.ipynb b/backup/Quantum_mechanics_by_M.C.Jain_version_backup/chapter4.ipynb deleted file mode 100755 index 214047e7..00000000 --- a/backup/Quantum_mechanics_by_M.C.Jain_version_backup/chapter4.ipynb +++ /dev/null @@ -1,329 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:b24ac6268abeb9e8ceafeb2b8fcac357229b810faa15684921ddb633803d3d99" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 4 Wave nature of matter and the need for a wave function" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.1 Page no 58" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given \n", - "V=100 #volts\n", - "\n", - "#Calculation \n", - "import math\n", - "wavelength=12.3/(math.sqrt(V))\n", - "\n", - "#Result\n", - "print\"de Broglie wavelength of electrons \", wavelength,\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "de Broglie wavelength of electrons 1.23 A\n" - ] - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.2 Page no 58" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "K=100 #ev\n", - "h=6.63*10**-34\n", - "m=9.1*10**-31\n", - "e=1.6*10**-19\n", - "\n", - "#Calculation\n", - "import math\n", - "v=h/(math.sqrt(2*m*K*e))\n", - "\n", - "#Result\n", - "print\"de broglie wavelength of electrons \",round(v*10**10,1),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "de broglie wavelength of electrons 1.2 A\n" - ] - } - ], - "prompt_number": 109 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.3 Page no 58" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "m=1.675*10**-27 #mass of neutron in kg\n", - "v=1.4*10**-10 #de broglie wavelength in m\n", - "h=6.63*10**-34 #Js\n", - "\n", - "#Calculation \n", - "K=(h**2/(2*m*(v**2)))/(1.6*10**-19)\n", - "\n", - "#Result\n", - "print\"Kinetic energy of neutron is \", round(K*10**2,2),\"*10**-2 ev\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Kinetic energy of neutron is 4.18 *10**-2 ev\n" - ] - } - ], - "prompt_number": 113 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.4 Page no 58" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "E=-3.4 #total energy in ev\n", - "h=6.63*10**-34 #Js\n", - "m=9.1*10**-31\n", - "e=1.6*10**-19 \n", - "\n", - "#Calculation\n", - "import math\n", - "K=-E\n", - "v=h/(math.sqrt(2*m*K*e))\n", - "\n", - "#Result \n", - "print\"(a) Kinetic energy \",K,\"ev\"\n", - "print\"(b) de broglie wavelength of the electron is \",round(v*10**10,3),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) Kinetic energy 3.4 ev\n", - "(b) de broglie wavelength of the electron is 6.663 A\n" - ] - } - ], - "prompt_number": 64 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.5 Page no 59" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "m=1.672*10**-27 #mass of neutron in kg\n", - "h=6.60*10**-34 #Js\n", - "v=1.0*10**-10 #de broglie wavelength in m\n", - "\n", - "#Calculation\n", - "K=(h**2/(2.0*m*v**2))/(1.6*10**-19)\n", - "\n", - "#Result\n", - "print\"Kinetic energy of a neutron is \", round(K*10**2,2),\"*10**-2 ev\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Kinetic energy of a neutron is 8.14 *10**-2 ev\n" - ] - } - ], - "prompt_number": 116 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.6 Page no 59" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "m=10*10**-3 #mass of a ball in kg \n", - "v=1 #Speed in m/s\n", - "h=6.63*10**-34 #Js\n", - "\n", - "#Calculation\n", - "V=h/(m*v) #Wavelength\n", - "\n", - "#Result\n", - "print \"de broglie wavelength is \",V,\"m\"\n", - "print\"This wavelength is negligible compared to the dimensions of the ball. therefore its effect can not be observed.\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "de broglie wavelength is 6.63e-32 m\n", - "This wavelength is negligible compared to the dimensions of the ball. therefore its effect can not be observed.\n" - ] - } - ], - "prompt_number": 87 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.7 Page no 59" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "T=27 #temperature in degree c\n", - "K=1.38*10**-23 #boltzmann constant in J/K\n", - "h=6.63*10**-34 #Js\n", - "m=1.67*10**-27\n", - "\n", - "#Calculation\n", - "import math\n", - "T1=T+273\n", - "v=h/(math.sqrt(2*m*K*T1))\n", - "\n", - "#Result\n", - "print\"de broglie wavelength is \",round(v*10**10,2),\"A\"\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "de broglie wavelength is 1.78 A\n" - ] - } - ], - "prompt_number": 94 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 4.10 Page no 64" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "V=100 #ev\n", - "a=10 #degree\n", - "n=1\n", - "\n", - "#Calculation\n", - "import math\n", - "v=12.3/(math.sqrt(V)) #De broglie wavelength\n", - "d=v/(2*math.sin(a*3.14/180.0))\n", - "n=(2*d)/v\n", - "\n", - "#Result\n", - "print\"(a) Spacing between the crystal plane is \", round(d,2),\"A\"\n", - "print\"(b) Peaks in the interference pattern is \",round(n,2)\n", - "print\"the largest possible value of n is 5\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) Spacing between the crystal plane is 3.54 A\n", - "(b) Peaks in the interference pattern is 5.76\n", - "the largest possible value of n is 5\n" - ] - } - ], - "prompt_number": 117 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit