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The image of an object, formed by a Plano-convex lens at a distance of 8 m behind the lens, is real and is one-third the size of the object. The wavelength of light inside the lens is 2/3 times the wavelength in free space. The radius of the curved surface of the lens is (A) 1 m (B) 2 m (C) 3 m (D) 6 m

The image of an object, formed by a Plano-convex lens at a distance of 8 m behind the lens, is real and is one-third the size of the object. The wavelength of light inside the lens is 2/3 times the wavelength in free space. The radius of the curved surface of the lens is
(A) 1 m
(B) 2 m
(C) 3 m
(D) 6 m

Grade:12

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