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the masses of neutron and prtons are 1...

the masses of neutron and prtons are 1.0087anmu and 1.0073 amu , respectivley ,if the neutrons and protons combine to form a heilum nucles (alpha particles) of mass 4.00 15 amu the binding energy of the heilum nucleus will be (1amu =931 MeV )

A

`28.4 MeV`

B

`20.8 MeV`

C

`27.3 MeV`

D

`14.2MeV`

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The correct Answer is:
A
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