Silambarasan Physics posted an Question
August 21, 2021 • 22:28 pm 5 points
  • CSIR NET
  • Physical Sciences

99. assertion the deuteron is a loosely bound structure. reason: the two nucleons in deuteron spend a considerable amount of time outside the range of the attra

99. Assertion The deuteron is a loosely bound structure. Reason: The two nucleons in deuteron spend a considerable amount of time outside the range of the attractive potential which bounds them together. (A) Both assertion and reason are incorrect (B) Assertion is correct whereas reason is incorrect (C) Assertion is incorrect but reason is Correct (D) Both assertion and reason are Correct

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    Anshum Sharma best-answer

    The correct option is D we should note about the deuteron itself is that the proton and neutron spend most of their time separated by a distance which is somewhat larger than our estimate for the range of the nuclear force. This indicates that the deuteron is rather loosely bound and such a conclusion is supported by the fact that the binding energy is very much less than the normal nuclear average B/A ~ 8 MeV per nucleon.

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