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JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Remembering +4 | -1

By taking large aperture objective in telescope
helps in

View answer and explanation

Correct option: A

Increasing resolving power

Option A (Increasing resolving power) is correct because a larger aperture allows for better diffraction and thus higher resolution.

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In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium A double convex lens is made of glass which has its refractive index 1,45 for violet rays and 1.50 for red rays. If the focal length for violet ray is

20 \mathrm{~cm}

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