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Question
As the mass number A increases, the binding energy per nucleon in a nucleus
Options
increases
decreases
remains the same
varies in a way that depends on the actual value of A.
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Solution
varies in a way that depends on the actual value of A
Binding energy per nucleon in a nucleus first increases with increasing mass number (A) and reaches a maximum of 8.7 MeV for A (50−80). Then, again it slowly starts decreasing with the increase in A and drops to the value of 7.5 MeV.
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