45 A plano convex lens when silvered on the plane side

Last updated: 6/25/2023

45 A plano convex lens when silvered on the plane side behaves like a concave mirror of focal length 30 cm However when silvered on the convex side it behaves like a concave mirror of focal length 10 cm Then the refractive index of the lens is 2 2 0 4 1 5 1 1 0 3 3 0 ah Work