Convex usually, its used as a light source and not as a magnifier (or imager of any sort).
concave mirrors
Concave mirror
chrystal
Parabolic
parabolic reflectors
It depends what the intended use is. An 'ordinary' mirror - is flat, while a shaving mirror is usually convex - making the image seem larger.
A convex mirror
Convex mirror
Convex mirror
convex mirror
A concave mirror.
Concave mirror
concave mirror
convex mirro
Basically shaving mirror, make-up mirror, car head lights.
Question : Which mirror is used in a barber shop? Answer : Plane mirror is used in Barbers shop . Thanks & Regards Meenal
chrystal
usualy concave mirror.