A concave mirror of focal length `f` produces a real image `n` times the size of the object. What is the distance of the object from the mirror?

A concave mirror of focal length f produces a real image n time the size of the object.What is the distance of the object from the mirror.

If a concave mirror of focal length f produces a real image n times the size of the object,then find the distance of the object from the mirror.

A concave mirror of focal length f produces a real image n times the size of the object. The distance of the object from the mirror is

A concave mirror of focal length produces an image m times the size of the object. If image is real, then the distance of the object from mirror is

A convex lens of focal length f produces a virtual image n times the size of the object. Then the distance of the object from the lens is