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>> $A simple microscope consists of a concav$

Question

A simple microscope consists of a concave lens of power $- 10 D$ and a convex lens of power $+ 20 D$ in contact. If the image formed at infinity, then the magnifying power $(D = 25 c m)$ is:

A

$2.5$

B

$3.5$

C

$2.0$

D

$3.0$

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Updated on : 2022-09-05

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Correct option is A)

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