How far should the object be placed from a convex mirror of focal length 40 cm, when the image is to be obtained at a distance of 8 cm from the mirror?
1
12 cm
2
15 cm
3
8 cm
4
10 cm
How far should the object be placed from a convex mirror of focal length 40 cm, when the image is to be obtained at a distance of 8 cm from the mirror?