1.

Let F_(PP),F_(Pn) and F_("nn") denote the magnitude 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 fm :

Answer»

`F_("PP") gt F_("PN") gt F_("NN")`
`F_("pp") = F_("pn") = F_("nn")`
`F_("pp") gt F_("pn") gt F_("nn")`
`F_("pp") LT F_("pn") = F_("nn")`

Answer :d


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