JEE Main & Advanced
Physics
Ray Optics
Question Bank
Refraction at Curved Surface
question_answer
A thin plano-convex lens acts like a concave mirror of focal length 0.2 m when silvered from its plane surface. The refractive index of the material of the lens is 1.5. The radius of curvature of the convex surface of the lens will be [KCET 2004]