Q. 6

Let Fpp, Fpn and Fnn denote the magnitude 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 1fm,
A. Fpp>Fpn=Fnn

B. Fpp=Fpn=Fnn

C. Fpp>Fpn>Fnn

D. Fpp<Fpn=Fnn.

Answer :

As the distance of separation is equal, so the forces that will act between the particles will be same as because


Mass of neutron=Mass of proton=


Thus, the forces can be represented as,


Fpp=Fnn=Fpn=



Therefore, as the distance of separation is equal, thus they will have same magnitude of forces.


So, (b) is the correct answer.

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