Two nucleons are at a separation of fermi. The net force between them is `F_1` if both are neutrons, `F_2` if both are protons and `F_3` if one is proton and the other is a neutron . Then

Options

A. `F_1 gt F_2 gt F_3`
B. `F_1=F_3 gt F_2`
C. `F_2 gt F_1 gt F_3`
D. `F_1=F_2 gt F_3`

Answer

D

Explanation

`F_1=F_2 gt F_3`