Question

which kind of mirror is used in the head light of a car ? why is it used for this purpose​

Answer 1

Concave mirror is used in the headlights of vehicles as a reflector. Bulb is placed at the focus of concave mirror so the light rays coming from bulb are collected and after reflection we get a strong beam of light .
(ii) Convex mirror is used as rear view mirrors in vehicles , the other vehicles are always beyond the 2F of convex lens so we get a diminished and erect image of other vehicle on lens hence lens gives a larger field of view to us , and we can see more vehicles in lens .
Concave mirror are used in car headlamp. Concave mirror has converging power, it can concentrate the light ray at a particular point. And in night we want highly concentrated light beam for clear visibility. This is why concave mirror is used.



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Answer 2

Answer:

Concave mirror are used in head light of a 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 of the mirror.

Explanation:

Hope it will help you friend.