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.

Draw a graph showing the variation of potential energy between a pair

1.	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.
Answer» Solution :Plot of potential energy of a pair of nucleons as a function of a their separation r has been shown in Fig. 13.06. For `r gt r_(0)` the force is attractive but for `r lt r_(0)` the nuclear force is strongly repulsive. The NEGATIVE potential energy signifies that the nucleons are in a STATE of stable EQUILIBRIUM because force between them is attractive and their energy is LEAST possible.

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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.

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