A mirror, is an object with a surface that has good image reflection; that is, it is so smooth that it gives an exact replica of an image. There are many different forms of mirrors available today. There is the plane mirror, with a flat smooth surface, There are also Curved mirrors which are of two different types, the convex and the concave mirrors used to produce magnified or demagnified images or focus light or simply distort the reflected image.

More: continued here