JEE PHYSICS MCQ: RAY OPTICS

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Which one of the following statements concerning spherical mirrors is correct?

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Correct option: C

Only a concave mirror can produce an enlarged image, provided the object distance is less than the radius of curvature.

Option C (Only a concave mirror can produce an enlarged image, provided the object distance is less than the radius of curvature) is correct because a concave mirror can produce a magnified, real image when the object is placed between the focal point and the center of curvature.

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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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. He views the cavity in the tooth of a patient by holding the mirror at a distance of

8 {~mm}

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