Concave mirrors are used by dentists.
Dentists use concave mirrors for examining teeth. When the mirror is placed close to teeth, the image formed is:
Consider the following statements:
I) Dentists use convex mirrors.
II) Automobiles use concave mirrors as the rear view mirrors.
III) In a convex mirror, the reflecting surface is bulging out.
IV) In a concave mirror, the reflecting surface is bulging in.
Choose the correct option.