initial commit / add all books

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diff --git a/446/CH10/EX10.4/10_4.sce b/446/CH10/EX10.4/10_4.sce
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+clear

+clc

+disp('Exa-10.4(a)'); //theoretical

+printf('The energy of interaction with magnetic field is given by uB and the degeneracy of the states are +-1/2 which are identical.\nThe ratio is therefore pE2/pE1 which gives e^(-2*u*B/k*T)');

+disp('Ex-10.4(b)');

+uB=5.79*10^-4;        //for a typical atom

+t=1.1;k=8.65*10^-5;   //ratio and constant k

+T=2*uB/(log(t)*k);    //temperature

+printf('The value of temperature ar which the given ratio exists is %.2f K',T);