a 100 b 101 c 1 10 If a concave mirror of focal length f is

Last updated: 6/12/2023

a 100 b 101 c 1 10 If a concave mirror of focal length f is placed at a distance of d from a convex lens of focal length f2 A light ray coming from infinity is falling on this combination and returns to infinity The distance d must equal d 2f f a 1 1 b 1 h C 21 f