A point object is placed at a distance of 40 cm from a convex lens of focal length 20 cm. If a plane mirror is placed 30 cm behind the convex lens, what is the position of the image formed from the mirror?
1
20 cm
2
30 cm
3
10 cm
4
15 cm
A point object is placed at a distance of 40 cm from a convex lens of focal length 20 cm. If a plane mirror is placed 30 cm behind the convex lens, what is the position of the image formed from the mirror?