Q.

The type of mirrors used in the headlamp of cars is –

A. Parabolic concave
B. Plane
C. Spherical convex
D. Cylindrical concave
Answer» A. Parabolic concave
Explanation: Curved mirror that reflects light from its inner surface, the curve being inward. It may be either circular or parabolic in section. A concave mirror converges parallel light rays inward to the point of principal focus. The image formed by a concave mirror is real (reduced and inverted) if the object is not too close to the mirror. A real image is formed at the point of convergence.
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