spherical mirror

Overview

Spherical mirror refers to the mirror whose reflecting surface is spherical, which is divided into concave mirror and convex mirror. According to the concave convex of the light receiving surface, it is divided into concave mirror and convex mirror. The first focus of both coincides with the second focus, and the focus in the concave mirror is real. The focus in convex mirror is virtual. Concave mirrors are often used for focusing or imaging.