Optics Question 349

Question: The maximum magnification that can be obtained with a convex lens of focal length 2.5 cm is (the least distance of distinct vision is 25 cm)

[MP PET 2003]

Options:

A) 10

B) 0.1

C) 62.5

D) 11

Show Answer

Answer:

Correct Answer: D

Solution:

$ {m _{\max }}=1+\frac{D}{f}=1+\frac{25}{2.5}=11 $ .



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