The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be

What will be the nature of image formed by a convex mirror when the position of object is between infinity and pole P of the mirror?

The image of an object formed by a plane mirror is

An object is placed between infinity and the pole (P) of a convex mirror. The position of the image is

If an object is placed at the focus of a concave mirror, its image is

A convex lens has a focal length of 15 cm. At what distance should an object be placed in front of the lens to get a real image of the same size of the object?