At what distance from a convex mirror of focal length 2.5 m should a body stand so that his image has a height equal to half the original height ? The principal exis is perpendicular to the height.

At what distance from a convex mirror of focal length 2.5 m should as 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 2.5 m should a body stand so that his image has a height equal to half the original height ? The height of object is perpendicular to the principal axis .

At what distance from a convex mirror of focal length 2.5 m should a body stand so that his image has a height equal to half the original height ? The height of object is perpendicular to the principal axis .

At what distance from a concave mirror of focal length 2 m should a boy stand so that his image is half his height?

At what distance from a convex lens of focal length 5 m should a boy stand so that his image is half his height ?