" a convex mirror of focal length fproduces an image (1/n)th of the size of the object.The distance of the object from the mirror is "

A convex mirror of focal length f produced an image (1//n)^(th) of the size of the object. The distance of the object from the mirror is

A convex mirror of focal length f produced an image (1//n)^(th) of the size of the object. The distance of the object from the mirror is

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