The plane face of a plano convex lens is silvered.If `mu`be the refrative index and R, the radius of curvature of curved suraface, then system will behave like a concave mirror of curvature

The plane face of a planoconvex lens is silvered. If mu be the refractive index and R, the radius of curvature of curved surface, then the system will behave like a concave mirror of radius of curvature

A plano convex lens is made of glass of refractive index n and R is radius of curvature of curved surface. Its curved surface is silvered. It behaves as

A plano-convex lens is made of refractive index 1.6.If the radius of curvature of the curved surface is 60 cm,then focal length of the lens is:

The plane surface of a planoconvex lens is silvered. If radius of curved surface is R and refractive index is mu , then the system behaves like a concave mirror whose radius will be

The convex surface of a plano-convex lens is silvered and the radius of curvature of this surface is R. Find the focal length of the system:

The convex surface of a plano-convex lens is silvered and the radius of curvature of this surface is R. Find the focal length of the system:

A plano-convex lens is made of refractive index 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is