Q. If the radius of a nucleus of mass number 3 is $R$, then the radius of a nucleus of mass number 81 is
A) $3R$
B) $9R$
C) $(27)^{1/2}R$
D) $27R$
Explanation
The correct answer is Option A: $3R$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.