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JEE PHYSICS MCQ: RAY OPTICS

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A ray passing through or directed towards centre of curvature of a spherical mirror is reflected such that it trace back of its path, because

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Correct option: B

Angle of incidence is

0^{\circ}

The correct answer is B (Angle of incidence is

0^{\circ}

) because a ray passing through the center of curvature strikes the mirror perpendicularly, resulting in an angle of incidence of zero.

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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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