M p ​ denotes the mass of a proton and M n ​ that of a neutron. A given nucleus, of binding energy (B), contains Z protons and N neutrons. The mass M(N,Z) of the nucleus is given by: (Here, c is the velocity of light)

 

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 denotes the mass of a proton and  that of a neutron. A given nucleus, of binding energy , contains  protons and  neutrons. The mass  of the nucleus is given by: 
(Here, c is the velocity of light)

A

B

C

D

Answer: