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The magnification power of a convex lens...

The magnification power of a convex lens of focal length 10cm, when the image is formed at the near point is

A

6

B

5.5

C

4

D

3.5

Text Solution

Verified by Experts

The correct Answer is:
D
Given, f = 10 cm, D = 25 cm
We know that,
`m=1+(D)/(f)=1+(25)/(10)`
`m=1+2.5=3.5`
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