clear;
clc;
printf("\nEx3.3\n");
//page no.-121
//given
h=6.62*10^-34;........//planck's constant in Js
m=1.6*10^-27;........//mass of proton in kg
l=10^-14;............//width of box in m

E=(h^(2)*3)/(8*m*l^(2))............//energy of neutron

printf("\nlowest energy of neutron is10.29*10^-23 J\n");