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 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.

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

An concave mirror of focal length 30 cm forms an image of double of the height of object. If the image is real then the distance of the object from image 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