A plano-convex lens `(mu = 1.5)` of aperture diameter `8 cm` has a maximum thickness of `4mm`. The f
Channel: Doubtnut
Date: 26/01/2020

A plano-convex lens `(mu = 1.5)` of aperture diameter `8 cm` has a maximum thickness of `4mm`. The focal length of the lens relative to air is