The volume of a nucleus is directly proportional to

Options

(a) A
(b) A³
(c) √A
(d) A¹/₃

Correct Answer:

A

Explanation:

Radius of nucleus R = R₀ A¹/³
where R₀ = 1.2 × 10⁻¹⁵ m and A is the mass number of nucleus.
Volume of nucleus = (4 / 3) πR³ = [(4/3) πR₀³] A
Volume is propotional to A.