Question

Radius of nucleus is directly proportional to:

• A. $A^2$
• B. $A^{1/3}$
• C. ${\left[A\right]}^3$
• D. $A$

Answer 1

Answer: (B)

$A^{1/3}$

For A nucleons

$R=R_o{A}^{1/3}$

So, $R\propto A^{1/3}$