A ring of radius R is floating on the surface of a liquid of

Last updated: 6/12/2023

A ring of radius R is floating on the surface of a liquid of refractive index 3 A point source of light is placed on the axis of the ring at a depth 3R The radius of the shadow of the ring on the ceiling at a height 5R from the surface of the liquid will be 1 5 3R 3 1 3 R 2 1 5 3 R 4 10 3R