Concave mirrors are used in :
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.
Why are mirrors used in search light are parabolic not concave.
Explain why, concave mirrors are used as shaving mirrors.