Nuclear radius depends on the mass number of the element.
Prove that the density of the nucleus is independent of mass number A.

Define mass number of an atom?

Two nuclei have mass numbers in the ratio 1:8. What is the ratio of their nuclear radii?

From the relation R = RoA^(1/3) Where R_0 is a constant and A is the mass number of a nucleus show that the nuclear matter density is nearly constant (.e. Independent of A)