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.

The correct option is C

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.