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An astronomical telesope has objective a...

An astronomical telesope has objective and eyepiece of focal lengths `40cm` and `4 cm` respectively. To view an object `200cm` away from the objective, the lenses must be separated by a distance `:`

A

50.0 cm

B

54.0cm

C

37.3 cm

D

46.0 cm

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The correct Answer is:
B
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