The mirror which made by two different surfaces that is cancave or canvex this is known as the spherical mirror

A reflecting surface which is spherical in shape
A mirror or reflecter is an object such that each narrow beam of light incides on its surface bounce in singal direction.
Spherical mirror is a object that beacuse of its surface light can reflected in different ways it has two parts 1)concave mirror 2) convex mirror
A sperichal mirror is a mirror which has a shape of a piece cut out of a spherical surface.
A mirror whose reflected surface is curved is called Spherical mirror