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The focal length of objective and the ey...

The focal length of objective and the eyepiece of a compound microscope are 1cm and 5cm. An object is placed at a distance of 1.1 cm from the objective and if the final image is formed at infinity the magnifying power and distance between the lenses are respectively

A

`60, 16 cm`

B

`50, 16 cm`

C

`50, 15.7 cm`

D

`60, 16.7 cm`

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