12 A spot light source is fixed 4 m from the vertical wall

Last updated: 6/27/2023

12 A spot light source is fixed 4 m from the vertical wall and is rotating at rate 1 rad s The spot image moves horizontally on the wall The speed of the spot on the wall when spot light makes angle of 45 with the wall is The line joining spot source and image is in horizontal plane 1 2 m s 2 3 m s 3 8 m s 4 1 m s 217 If u to bo