Regarding a nucleus choose the correct options.

Options

A. (a) Density of a nucleus is directly proportional to mass number A
B. (b) Density of all the nuclei is almost constant of the order of `10^17kg//m^3`
C. (c) Nucleus radius is of the order of `10^-15m`
D. (d) Nucleus radius `prop` A

Answer

B, C

Explanation

`R=R_0A^(1//3)` or `RpropA^(1//3)`