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When a telescope is in normal adjustment...

When a telescope is in normal adjustment, the distance of the objective from the eyepiece is found to be 100 cm. If the magnifying power of the telescope, at normal adjustment is 24, the focal lengths of lenses are

A

96 cm, 4 cm

B

90 cm, 10 cm

C

80 cm, 20 cm

D

50 cm, 50 cm.

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