A convex-concave converging lens is made of glass of refractive index and has focal length

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

A convex-concave converging lens is made of glass of refractive index 1.51.5 and has focal length 24 cm24\,\mathrm{cm}. The radius of curvature of one surface is double that of the other. The radii of curvature of the two surfaces, in cm, are (1) 6, 12 (2) 12, 24 (3) 3, 6 (4) 18, 36

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