Optics Question 359

Question: Least distance of distinct vision is 25 cm. Magnifying power of simple microscope of focal length 5 cm is

[EAMCET (Engg.) 1995; Pb. PMT 1999]

Options:

A) 1 / 5

B) 5

C) 1 / 6

D) 6

Show Answer

Answer:

Correct Answer: D

Solution:

In general, the simple microscope is used with image at D, hence $ m=1+\frac{D}{f}=1+\frac{25}{5}=6 $



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