Regarding a nucleus

PHYSICS · Multi correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

Regarding a nucleus, choose the correct options. (1) Density of a nucleus is directly proportional to mass number

A

. (2) Density of all nuclei is almost constant, of the order of

10^{17}\,\text{kg m}^{-3}

. (3) Nuclear radius is of the order of

10^{-15}\,\text{m}

. (4) Nuclear radius is proportional to

A