JEE PHYSICS MCQ: RAY OPTICS

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To increase both the resolving power and magnifying power of a telescope

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Correct option: A

both the focal length and aperture of the objective has to be increased

Option A (both the focal length and aperture of the objective has to be increased) is correct because magnifying power is proportional to the focal length of the objective and resolving power is proportional to the aperture of the objective.

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