Plane surface of a thin plano-convex lens is silvered. If a point object is placed on principal axis
Channel: Doubtnut
Date: 2020-01-26

Plane surface of a thin plano-convex lens is silvered. If a point object is placed on principal axis at a distance `60cm` from the lens and fial image is formed at a distance `30cm` from the lens on same side. What will be the distance of final imagge from the lens if the plane surface is not silvered.