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clear;
clc;
printf("\nEx2.3\n");
//page no.-55
//given
h=6.65*10^-27;...............//planck constant in ergs-sec
m=9*10^-28;..................//mass of e
e=4.8*10^-10;...............//charge in e.s.u.
V=1250;.....................//potential difference in V
//By debroglie relationship, lambda=h/m*v
lambda=h*sqrt(150/(m*e*V)).............//resolving power in cm
printf("\nresolving power of microscope is 0.351 angstrom\n");
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