The nuclear forces are

The particle that possesses half-integral spin is:

The force acting between proton and proton inside the nucleus is

Which of the following is most unstable?

The force between two protons is the same as the force between a proton and a neutron. The nature of the force is:

Let the binding energy per nucleon of a nucleus be denoted by $E_{bn}$ and the radius of the nucleus be denoted by $r$. If the mass numbers of nuclei $A$ and $B$ are $64$ and $125$ respectively, then: