Question Answers

Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 26 - Geometrical Optics > A plano-convex lens when silvered on the plane side behaves like a concave mirror of focal length 60cm. However, when silvered on the convex side, it behaves like a concave mirror of focal length 20cm.Then, the refractive index of the lens is

A plano-convex lens when silvered on the plane side behaves like a concave mirror of focal length 60cm. However, when silvered on the convex side, it behaves like a concave mirror of focal length 20cm.Then, the refractive index of the lens is

A plano-convex lens when silvered on the plane side behaves like a concave mirror of focal length 60cm. However it behaves like a concave mirror of focal length 20cm.Then the refractive index of the lens is when silvered on the convex side