Convex mirrors are used as rear view mirrors in automobiles because they provide a broader field of view than flat or concave mirrors.It is utilized for surveillance in supermarkets and retailers.
Concave mirrors are used in automobile headlights to send parallel rays to infinity, shaving mirrors to receive an expanded view of the face, and by dentists to see a larger image of the tooth / teeth. It is used in torches.
Hence, Convex mirrors are used in super markets for surveillance and Concave mirrors are used in torches.
