In the flat middle region of the curve, the binding energy per nucleon is nearly:
AEight MeV
BEighty MeV
CEighteen MeV
DEleven MeV
Answer & Solution
Correct answer: A. Eight MeV
1. The binding energy per nucleon curve rises then flattens.
2. Across most mass numbers it barely changes.
3. In this region the binding energy per nucleon is nearly constant at 8.0 MeV.
4. So the answer is about eight MeV.
_Source: NCERT Class XII Physics Part II, Ch 13 'Nuclei'_
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