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The binding energies of deutron (.1H^2) ...

The binding energies of deutron `(._1H^2)` and `alpha`-particle `(._2He^4)` are 1.25 and 7.2 MeV/nucleon respectively. Which nucleus is more stable? Calculate binding energy per nucleon of `._(26)Fe^(56). M(._(26)Fe^(56))`=55.934939 a.m.u, m(proton)=1.007825 a.m.u., m(neutron) =1.008665 a.m.u.

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The correct Answer is:
Helium : 8.79 MeV/nucleon
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