Question

# (a) Write the characteristic properties of nuclear force.(b) Draw a plot of potential energy of a pair of nucleons as a function of their separation. Write two important conclusions that can be drawn from the graph

Solution

## $$a)$$ The characteristic properties of nuclear force -i) The nuclear force is short-ranged strong attractive forces.ii) The nuclear forces between proton-proton, proton-neutron and neutron-neutron are approximately same.iii) The nuclear force is independent of electric charge. $$b)$$ The potential energy (PE) vs separation graph is shown in the figure. The conclusions drawn from the graph are -i) The nuclear force is a short-range force.ii) The nuclear force is repulsive when the separation is less 1 fm $$(1 fermi =10^{-15} m)$$ and it is attractive when the separation is greater than 1 fm.    Physics

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