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NEET 2007 (AIPMT) · Mass Defect & Binding Energy

Mass Defect & Binding Energy question from NEET 2007 (AIPMT)

Q25NEET 2007 · AIPMTEasy

Mass Defect & Binding Energy

A nucleus ${}_{Z}^{A}X$ has mass represented by M(A, Z). If Mp and Mn denote the mass of proton and neutron respectively and B.E. the binding energy in MeV, then

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Answer: (a)

Mass defect $\Delta m = ZM_p + (A - Z)M_n - M(A, Z)$
$B.E. = \Delta m\, c^2 = [ZM_p + (A - Z)M_n - M(A, Z)]c^2$
So the answer is (a).

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