JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

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Astigmatism (for a human eye) can be removed by using

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Correct option: C

Cylindrical lens

The correct answer is C (Cylindrical lens) because cylindrical lenses are specifically designed to correct astigmatism by compensating for the uneven curvature of the cornea or lens.

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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

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