A point source of light is fixed on a horizontal plane at a

Last updated: 6/14/2023

A point source of light is fixed on a horizontal plane at a distance 7m from a vertical fixed wall A long cylinder of radius R 3m starts moving towards the point source with constant velocity vo 3m s The sphere was initially in contact with wall A Initial velocity of shadow of topmost point of sphere on wall is 54m s B Initial velocity of shadow of topmost point of sphere on wall is 36m s C Initial position of shadow of topmost point of sphere on wall is 24m 1 D Bright area on wall will disappear after sec 3