AIPMT PRELIMS 2004 Physics Binding Energy MCQ Question
Mₚ denotes the mass of a proton and Mₙ that of a neutron. A given nucleus, of binding energy Bₑ, contains Z protons and N neutrons. The mass M(N, Z) of the nucleus is given by (c is velocity of light )
M(N, Z) = NMₙ + ZMₚ + Bₑ²
M(N, Z) = NMₙ + ZMₚ - Bₑ/c²
M(N, Z) = NMₙ + ZMₚ + Bₑ/c²
M(N, Z) = NMₙ + ZMₚ - Bₑ²
Correct Answer
Detailed Explanation
The mass defect is related to the binding energy by E = mc², so the mass of the nucleus is reduced by the binding energy divided by c².
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