clc

//Given that
b_e = 13.6 // Binding energy of electron to proton in eV
c= 3e8 // speed of light in m/s
// sample problem 15a page No. 306
printf("\n\n\n # Problem 15a # \n")
printf("\n Standard formula used E = m*c^2")
del_m = b_e * (1.6e-19) / c^2 * 1000 
printf ("\n Loss in mass during formation of 1 atom of hydrogen is %e g.", del_m)