Question:

For an object placed at 20 cm in front of a convex lens the

Last updated: 6/24/2023

For an object placed at 20 cm in front of a convex lens the

For an object placed at 20 cm in front of a convex lens the image is at distance 30 cm behind the lens If lens is replaced by concave lens of same focal length then for same object distance image formed will be