The ratio of the density of oxygen nucleus $\left({ }_8^{16} O \right)$ and helium nucleus $\left({ }_2^4 He \right)$ is
$4:1$
$8:1$
$1:1$
$2:1$
How many times is the density of the nucleus more than the density of water ?
What is the nucleus of an atom ?
The mass number of nucleus having radius equal to half of the radius of nucleus with mass number $192$ is:
What percentage of the mass of the nucleus is the mass of the nucleus ?
$1 a.m.u.$ is equivalent to