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12th Class Physics Nuclear Physics And Radioactivity Question Bank Nuclei Conceptual Problems

  • question_answer
    Why is the number of neutrons in heavier nuclei more than the number of protons?

    Answer:

                    In a heavier nucleus, the force of repulsion between protons is appreciable due to the presence of a large number of protons. In order to exert large attractive nuclear force and hence to maintain stability of the nucleus, more neutrons become necessary for a heavier nucleus.


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