A biconvex lens of focal length 15 cm is in front of a plane

Last updated: 6/7/2023

A biconvex lens of focal length 15 cm is in front of a plane mirror The distance between the lens and the mirror is 10 cm A small object is kept at a distance of 30 cm from the lens The final image is 1 Virtual and at a distance of 16 cm from the mirror 2 Real and at a distance of 16 cm from the mirror 3 Virtual and at a distance of 20 cm from the mirror 4 Real and at a distance of 20 cm from the mirror