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clear;
clc;
printf("\nEx2.5\n");
//page no.-56
//given
h=6.67*10^-27;...............//planck constant in ergs-sec
m=9*10^-28;..................//mass of e
e=4.8*10^-10;...............//charge in e.s.u.
lambda=0.5*10^-8;..........//wavelength in m
//we know, lambda=h*sqrt(150/(m*e*V))
V=((h^2*150)/(m*e*lambda^2)).............//acc. voltage in volts
printf("\nAccelerating Voltage is 617.9 volts\n");
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