Question

The focal length of a convex lens is 10 cm. The magnifying powers when it is used as a magnifying glass to form the image at (i) near point and (ii) far point are :

A

2.5, 3.5

B

3.5, 4.5

C

4.5, 3.5

D

3.5, 2.5

Medium
Updated on : 2022-09-05
Solution
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Correct option is D)

For the near point, magnification,

For the far point,

Thus, putting and

We get,   and  

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