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Question

The type of reflector used for automobile head lamp is

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A.

Spherical

B.

Parabolic

C.

Hyperbolic

D.

Plain/flat

Answer ( Option B)

Parabolic

Solution

Concave mirrors are used in head lights of vehicles because when the bulb of headlight is placed at focus of concave mirror it will allow the light to spread out to infinity after the reflection on the mirror.

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