What percentage of the mass of the nucleus is the mass of the nucleus ?
$1 a.m.u.$ is equivalent to
Two nucleons are at a separation of $1 \times {10^{ - 15}}m$. The net force between them is ${F_1}$, if both are neutrons, ${F_2}$ if both are protons and ${F_3}$ if one is a proton and other is a neutron. In such a case
Write and explain the Einstein theory of special relativity.
How the radius of the nucleus is estimated ? Write its relation to radius and atomic mass number.
Antiparticle of electron is