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clear;
clc;
printf("\nEx2.6\n");
//page no.-56
//given
lamda=3*10^-2;...........//wavelength in m
h=6.62*10^-34;...............//planck constant in Joule-sec
m=9.1*10^-31;..................//mass of e in kg
e=1.6*10^-19;...............//charge
E=(h^2)/(2*m*(lambda^2)*e)..............//energy in eV
printf("\nEnergy is 0.06 eV\n");
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