What type of mirror is used in the headlights of a car?
1. Plane mirror
2. Concave mirror
3. Convex mirror
A
2 only
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B
1 only
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C
1 or 3
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D
2 only
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Solution
The correct option is A 2 only Concave mirrors are used in the headlights of a car.
When a bulb is placed at the focus of a concave reflector, the reflector collects the light rays and direct them into a powerful beam (in form of parallel rays) after reflection. Such beam can reach a large distance in dark and enable vision up to greater distances.