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>> $A compound microscope having f0 = 7 mm ,$

Question

A compound microscope having $f_{0} = 7 m m$ , $f_{e} = 20 m m$ and the distance between the lenses is $20 c m$ . If the image is formed at least distance of distinct vision then magnifying power ?

A

$337$

B

$400$

C

$220$

D

$120$

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Updated on : 2022-09-05

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Correct option is A)

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