Q. The escape velocities of two planets $A\ and\ B$ are in the ratio $1\ :\ 2$. If the ratio of their radii respectively is $1\ :\ 3$, then the ratio of acceleration due to gravity of planet $A$ to the acceleration of gravity of planet $B$ will be:
A) $\frac{4}{3}$
B) $\frac{3}{2}$
C) $\frac{2}{3}$
D) $\frac{3}{4}$
Explanation
The correct answer is Option D: $\frac{3}{4}$.
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.