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clear;
clc;
printf("\nEx2.26\n");
//page no.-70
//given
_m=9.1*10^-31;...............//rest mass of e
lambda=5896*10^-10;..........//wavelength in m
h=6.63*10^-34;..............//planck's constant in J-sec
E=h^2/(2*_m*lambda^2)............//kinetic energy in joule
printf("\nkinetic energy is 6.95*10^-25 joule\n");
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