Question

The radius of a nucleus of a mass number A is directly proportional to.

• A. $A^{3}$
• B. A
• C. $A^{2/3}$
• D. $A^{1/3}$

Answer 1

Answer: (D)

$A^{1/3}$

Answer 2

R = R₀ A^1/3 ⇒ R ∝ A^1/3.