A point source of light is placed directly above an opaque

Last updated: 6/11/2023

A point source of light is placed directly above an opaque sphere of radius y placed on a horizontal surface For x Point source Horizontal surface 2y For x 24 2y 3 radius of shadow formed on horizontal surface is 2y For x y radius of the shadow formed on horizontal surface is 3y and for surrounding medium havin refractive index 3 radius of shadow forme on horizontal surface is 2y For x y and for surrounding medium having refractive index 3 radius of the shadow formed on horizontal surface is