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clc;
e=1.6*10^-19; //charge
ke=1.5*10^4; //kinetic energy in eV
KE=ke*e; //calculating kinetic energy
m=9.1*10^-31; //mass in kg
disp(KE,"Kinetic Energy in Joule = "); //displaying result
v=sqrt((2*KE)/m); //calculating velocity
disp(v,"Velocity in m/sec = "); //displaying result
l=h/(m*v); //calculating wavelength
disp(l,"Wavelength in metre = "); h=6.63*10^-34; //planck's constant in J.sec
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