Question

Which kind of lens type of reflector is used in car headlines for producing a parallel of light ?

Answer 1

Concave Mirror / Lens Is used in the headlights of a car. It Is used because when the bulb of headlight is placed at focus concave mirror/lens ,  then it allows the light to spread to its maximum extent and also for producing a parallel ray of light.

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Answer 2

concave mirrors are used in vehicles headlights to send parallel rays because it allows the light rays to be focused as a single beam and give more power to the light , that makes it more efficient for seeing and to be seen by others