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.Physics

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