Q. The magnifying power of a telescope is$\ m$. If the focal length of the eye-piece is halved, then its magnifying power is
A) $2m$
B) $\frac{m}{2}$
C) $\frac{1}{2m}$
D) $4m$
Explanation
The correct answer is Option B: $\frac{m}{2}$.
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.