Q. The minimum magnifying power of a telescope is $M$, If the focal length of its eye lens is halved, the magnifying power will become
A) $M/2$
B) $2\ M$
C) $3\ M$
D) $4\ M$
Explanation
(b) $m \propto \frac{1}{f_{e}}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.