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Simple Microscope Angular Magnification

A simple micr...

Question

A simple microscope has a focal length of 5cm. The magnification at the least distance of distinct vision is

A

2

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B

5

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C

4

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D

6

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Solution

The correct option is C 6
For single microscope,
$m = 1 + \frac{D}{f}$
$= 1 + \frac{25}{5}$
$= 6$

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