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Question: Answered & Verified by Expert
If $F_e$ and $F_e$ are the focal length of the objective and eye-piece respectively of a telescope, then its magnifying power will be
PhysicsRay OpticsJEE Main
Options:
  • A $F_o+F_e$
  • B $F_o \times F_e$
  • C $F_o / F_e$
  • D $\frac{1}{2}\left(F_o+F_e\right)$
Solution:
1261 Upvotes Verified Answer
The correct answer is: $F_o / F_e$
Correct option is $3$
$m=\frac{\mathrm{f}_0}{\mathrm{f}_{\mathrm{e}}}$

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