Q. The power of two convex lenses $A$ and $B$ are $8\ dioptres$ and $4\ dioptres$ respectively. If they are to be used as a simple microscope, the magnification of
A) $B$ will be greater than $A$
B) $A$ will be greater than $B$
C) The information is incomplete
D) None of the above
Explanation
(b) $m = 1 + \frac{D}{f} = 1 + DP\ $[$m$ increases with $P$]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.