Light from a point source in air falls on a spherical glass surface `mu = 1.5 and R = 20 cm`.
Channel: Doubtnut
Date: 02/08/2020

Light from a point source in air falls on a spherical glass surface `mu = 1.5 and R = 20 cm`. The image is formed at a distance of `100 cm` from the glass surface in the direction of incident light. Calculate the object distance from the centre of curvature of the spherical surface.