JEE PHYSICS MCQ: RAY OPTICS

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Relative difference of focal lengths of objective and eye lens in the microscope and telescope is given as

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Correct option: B

It is more in telescope

Option B (It is more in telescope) is correct because the focal length of the objective lens is much greater than the focal length of the eye lens in a telescope compared to a microscope.

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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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