CBSE 2023 · Region 5 · Set 2 · Q19 · 2 marks
Draw a graph showing the variation of potential energy of a pair of nucleons as a function of their separation. Indicate the region in which the nuclear force is (a) attractive and (b) repulsive.
Marking-scheme solution
Repulsive nuclear force for $\displaystyle r < r_0$Attractive force for $\displaystyle r > r_0$NucleiNuclear ForceApplyvery_short_answermedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.