Two nucleons are at a separation of ${\rm{1 }}\,{\rm{fm}}$. The net force between them is ${{\rm{F}}_{\rm{1}}}$ if both neutrons, ${F_2}$ if both are protons, and ${F_3}$ if one is a proton and the other is a neutron.

JEE PHYSICS MCQ: NUCLEI

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Two nucleons are at a separation of

\mathrm{1 }\,\mathrm{fm}

. The net force between them is

{\mathrm{F}_\mathrm{1}}

if both neutrons,

{F_2}

if both are protons, and

{F_3}

if one is a proton and the other is a neutron.

View answer and explanation

Correct option: C

{F_1} = {F_3} > {F_2}

Option C is correct because the nuclear force is approximately the same between any two nucleons (neutron-neutron, proton-proton, or proton-neutron), but the electrostatic repulsion between protons reduces the net force.

JEE PHYSICS MCQ: NUCLEI

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