Answer: The image formed by a plane mirror is virtual, erect, and of the same size as that of the object, such that the object and its image appear to be equidistant from the mirror.
Explanation: Characteristics of the image formed by a plane mirror: It is virtual, i.e., it is formed behind the mirror without the actual intersection of light rays. It is erect, which means up straight. The image is laterally inverted, i.e., it is reversed from left to right.