Let , and denote the magnitudes of net force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. Neglect gravitational force. When the separation is ,

Question

Let $F_{pp}$, $F_{pn}$ and $F_{nn}$ denote the magnitudes of net force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. Neglect gravitational force. When the separation is $1 	ext{ fm}$,

Prashant Kotian · Accepted Answer

Correct answer: D. Nuclear force is strong and attractive and is identical between nucleons. However, for two protons, there is an additional electrostatic Coulomb repulsion which reduces the net attractive force. Thus, . Therefore, correct answer is D.

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