Statement-I: Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion.
Statement-II: For heavy nuclei binding energy per nucleon increases with increasing Z while for light nuclei, it decreases with increasing Z.

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Statement-I is true, statement –II is false

Statement-I false, statement-II is true

Statement –I is true and statement-II is true, but statement –II is not a correct explanation for statement –I.

Statement-I is true and Statement –II is true and statement-II is a correct explanation for statement-I.

answer is D.

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Detailed Solution

Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion.

For heavy nuclei, binding energy per nucleon decreases with increasing Z while for light nuclei, it increases with increasing Z.

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