A) The focal length of objective lens is increased and that of eye lens is decreased
B) The focal length of eye lens is increased and that of objective lens is decreased
C) Focal lengths of both objective and eye-piece are increased
D) Focal lengths of both objective and eye-piece are decreased
Correct Answer: D
Solution :
\[m\propto \frac{1}{{{f}_{o}}{{f}_{e}}}\]
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