Assertion :Nuclei having number about 60 are most stable Reason: When two or more light nuclei are combined into a heavier nucleus, then the binding energy per nucleon will increase.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Nuclei having mass number $A = 60$ have the highest binding energy per nucleon.
Thus those are most stable.
Although the Reason is correct, it is not the correct explanation for Assertion.

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