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Question

Draw a graph showing the variation of potential energy between a pair of nucleons as a function of their separation. Indicate the regions in which the nuclear force is
(i) Attractive
(ii) Repulsive.
Write two important conclusions which you can draw regarding the nature of the nuclear forces.


Solution

Conclusions:
(i) The potential energy is minimum at a distance $$r_0$$ of about $$0.8\,fm.$$
(ii) Nuclear force is attractive for distance larger than $$r_0.$$
(iii) Nuclear force is repulsive if two are separated by distance less than $$r_0.$$
(iv) Nuclear force decreases very rapidly at $$r_0 / $$equilibirium position.
1655469_1784847_ans_449feb927beb4ae88bacda9e55691453.png

Physics

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