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//Ex1_5
clc;
//Given:
m=1.66*10^-27;// 1u=1.66*10^-27 kg
h=6.6262*10^-34;//planck's constant in J.s
energy1=120;// in Mev for oxygen
energy2=140;// in MeV for nitrogen
//solution(a):
p=(2*m*16*energy1*(1.6022*10^-13))^0.5;
wavelength1=h/p*(10)^15;//wavelength in 10^-5 Angstroms
printf("\n The wavelength in 10^-5 Angstroms is = %f ",wavelength1)
//solution (b):
p=(2*m*14*energy2*(1.6022*10^-13))^0.5;
wavelength2=h/p*(10)^15;//wavelength in 10^-5 Angstroms
printf("\n The wavelength in 10^-5 Angstroms is = %f ",wavelength2)
// 1 Angstrom = 10^-10 m
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