Question

Mention two uses each of a concave mirror and a convex mirror.

Answer 1

Uses of Convex Mirrors:

Convex mirrors are often used as:

1. Rear-view mirrors or side-mirror (also called driver's mirrors) in automobiles such as cars, trucks, and buses to see the traffic coming from behind.
2. Staircase mirrors on the double-decker buses.
3. Vigilance mirrors in big shops and stores.

Uses of Concave Mirrors:

Some main uses of concave mirrors are given below:

1. Concave mirrors are used as reflectors in the headlights of cars, searchlights, torchlights, etc.
2. They are used by dentists (as the dentist's mirror) to focus light on the tooth to be examined.
3. It is used as shaving mirrors and as make-up mirrors to see the enlarged erect image of the face. For this, the face must be placed closer to the mirror.
4. Concave mirrors (or, parabolic mirrors) are used as radiation collectors in solar heating devices.