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A compound microscope has an eye piece o...

A compound microscope has an eye piece of focal length `10 cm` and an objective of focal length `4 cm`. Calculate the magnifcation, if an object is kept at a distance of `5 cm` from the objective so that final image is formed at the least distance vision `(20 cm)`

A

12

B

11

C

10

D

13

Text Solution

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The correct Answer is:
A
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