Let `F_pp, F_pn and F_nn` denote the magnitudes of the nuclear force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. When the separation is `1 fm`,

Options

A. `F_(pp) = F_(pn) = F_(nn)`
B. `F_(pp) lt F_(pn) = F_(nn)`
C. `F_(pp) gt F_(pn) gt F_(nn) `
D. `F_(pp) lt F_(pn) lt F_(nn)`

Answer

A