At what distance from a convex mirror of focal length 2.5m should a boy stand so that his image has a height equal to half the original height?

At what distance from a convex mirror of focal length 2.5m should a bo

1.	At what distance from a convex mirror of focal length 2.5m should a boy stand so that his image has a height equal to half the original height?
Answer» 2.5M from the MIRROR 5m from the mirror 7.5m from the mirror 10m from the mirror Answer :A