1.

(A) Any kind of exchange force helps the nucleus to be more destabilised. (R ) `pi`-mesons are exchanged between nucleons incessantly.A. If both (A) and (R ) are correct and (R ) is the correct explanation for (A).B. If both (A) and (R ) are correct but (R ) is not the correct explanation for (A )C. If both (A) and (R ) are incorrect.D. If both (A) and (R ) are incorrect.

Answer» Correct Answer - D


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