A spherical mirror with its outer bulging surface as the reflecting surface is a :
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.
If the inner surface of a spherical mirror is reflecting it is called _____ mirror.