Two spherical nuclei have mass numbers $216$ and $64$ with their radii $R_1$ and $R _2$ respectively. The ratio, $\frac{R_1}{R_2}$ is equal to
$3:2$
$1:3$
$1:2$
$2:3$
Write the relation of the size of the nucleus to the atomic size.
In a nuclear reaction, which of the following is conserved
Which of the following particles are constituents of the nucleus
If the nucleus ${}_{13}^{27}Al$ has a nuclear radius of about $3.6\,\, fm,$ then ${ }_{32}^{125} Te$ would have its radius approximately as .......$fm$
A heavy nucleus is unstable for any value of $\frac{N}{P}$ because