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diff --git a/backup/Modern_Physics_version_backup/Chapter8.ipynb b/backup/Modern_Physics_version_backup/Chapter8.ipynb new file mode 100755 index 00000000..ccbad1fd --- /dev/null +++ b/backup/Modern_Physics_version_backup/Chapter8.ipynb @@ -0,0 +1,175 @@ +{ + "metadata": { + "name": "Chapter8" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 8:Many Electron Atoms" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.1 Page 248" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#initiation of variable\n", + "hc=1240.0*10**-9;Rinfi=1.097*10**7;Z=11; #for sodium atom;and other constants in MeV\n", + "\n", + "#calculation\n", + "delE=3*hc*Rinfi*(Z-1)**2/4.0 #change in energy\n", + "\n", + "#result\n", + "print\"The energy of the Ka x-ray of the sodium atom in KeV.is\",round(delE/10**3,3);\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The energy of the Ka x-ray of the sodium atom in KeV.is 1.02\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.2 Page 249" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#initiation of variable\n", + "EKa=21.990;EKb=25.145;EK=25.514 #all the values are in KeV\n", + "\n", + "#calcualtion\n", + "ELo=EKb-EKa;\n", + "\n", + "#result\n", + "print\"The energy of La of X-ray in KeV.is\",round(ELo,3); #Energy of La X-ray\n", + "\n", + "#partb\n", + "EL=-EK+EKa;\n", + "\n", + "#result\n", + "print\"Hence the binding energy of the L electon in KeV.is\",round(EL,3); # for electron L electron" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The enrgy of La of X-ray in KeV.is 3.155\n", + "Hence the binding energy of the L electon in KeV.is -3.524\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.3 Page 250" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#initiation of variable\n", + "l=1.0; \n", + "\n", + "#calculation\n", + "Lmax=l+l;Lmin=l-l;\n", + "s=1.0/2; Smax=s+s;Smin=s-s;\n", + "\n", + "#result\n", + "print\"Value of L ranges from\",Lmin,\" to\",Lmax,\" i.e\",Lmin,1,Lmax;\n", + "print\"Values of S are maxi,min\",Smax,Smin;\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Value of L ranges from 0.0 to 2.0 i.e 0.0 1 2.0\n", + "Values of S are maxi,min 1.0 0.0\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.4 Page 250" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#initiation of variable\n", + "l=1.0; \n", + "\n", + "#calculation\n", + "Lmax=l+l;Lmin=l-l;\n", + "s=1.0/2; Smax=s+s;Smin=s-s;\n", + "\n", + "#result\n", + "print\"Considering any two electrons,Value of L2e ranges from\",Lmin,\" to\",Lmax,\" i.e\",Lmin,1,Lmax;\n", + "print\"Adding the angular momentum of the third electron to L2emax gives the maximum whole angular momentum as 2+1=3; and subtracting it from L2e=1 gives 0\"\n", + "print\"Values of S are maxi,min\",Smax,Smin;\n", + "print\"Adding and subtracting the spin of third to S2e=1 and S2e=0 respectively gives the spins 3/2 and 1/2 for the 3 electron system.\";" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Considering any two electrons,Value of L2e ranges from 0.0 to 2.0 i.e 0.0 1 2.0\n", + "Adding the angular momentum of the third electron to L2emax gives the maximum whole angular momentum as 2+1=3; and subtracting it from L2e=1 gives 0\n", + "Values of S are maxi,min 1.0 0.0\n", + "Adding and subtracting the spin of third to S2e=1 and S2e=0 respectively gives the spins 3/2 and 1/2 for the 3 electron system.\n" + ] + } + ], + "prompt_number": 6 + } + ], + "metadata": {} + } + ] +}
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