clear;
clc;
printf("\nEx2.2\n");
//page no.-55
//given
h=6.625*10^-34;...........//planck's constant in J-s
m=1.675*10^-27;.........//mass of neutron in Kg
E=1.6*10^-5;.............//kinetic energy of neutron
//we knoe , E=m*v^2/2

v=sqrt((2*E)/m);..........//velocity in m/s
//By debroglie relationship

lambda=h/(m*v)...............//De-Broglie wavelength in m

printf("\nDe-Broglie wavelength is 2.86*10^-15 m\n");