3 An object P is placed at a distance of 15cm from a convex

Last updated: 6/11/2023

3 An object P is placed at a distance of 15cm from a convex lens of focal length 10cm On the other side of the lens a convex mirror is placed at its focus such that the final image formed by the combination coincides with the object itself The focal length of convex mirror is P 1 20cm 3 15cm 15cm 10cm 2 10cm 4 30cm