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.
Statements III and IV are correct.
A concave mirror bugles inwards while a convex bugles outwards. Dentists use a concave mirror to get an enlarged image of the teeth while automobiles have a convex mirror as they have a larger field of view and always form an erect image.