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+//ques-20.9
+//Calculating energy released in given fission reaction
+clc
+U=235.124;//atomic mass of U (in amu)
+n=1.0099;//mass of neutron (in amu)
+Kr=94.945;//atomic mass of Kr (in amu)
+Ba=138.954;//atomic mass of Ba (in amu)
+dm=U+n-(Kr+Ba+2*n);//mass defect
+E=dm*931;
+printf("The energy released is %.3f Mev.",E);