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Question

The mass of deutron (1H2) nucleus is 2.013553 a.m.u. If the masses of proton and neutron are 1.007275 a.m.u. and 1.008665 a.m.u. respectively, calculate the mass defect, the packing fraction , binding energy and binding energu per nucleon.

Solution
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Mass defect = Mass of atom Mass of neutron and proton
Mass defect =2.013553(1.007275+1.008665)=0.002387
Binding Energy =0.002387×931=2.22MeV
Binding Energy per nucleon =2.222=1.11MeV

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