Assertion :Energy is released in nuclear fission. Reason: The total binding energy of the fission fragments is larger than the total binding energy
of the parent nucleus.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Total binding energy of fragment nucleus is more than total binding energy of parent nucleus. Since, binding energy results in decrease oftotal energy. Hence there is great decrease in energy fragment nucleus because energy is released in nuclear fission.
$A (P a r e n t) \to B (F r a g m e n t) + E (E n e r g y)$
Energy of B is decrease but the binding energy of B is increased due to release of energy from it. So, reason supports the assertion.

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