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The radius of...

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The radius of curvature of the convex face of a plano-convex lens is 12 cm and its refractive index is 1.5. Theplane surface of the lens is now silvered At what distance from the lens will parailel rays incident on the convexface converge?(B) 12 cm(A)6 cm(C)24 cm(D)48 cm

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