Q.

What type of mirror is used in vehicles?


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a

Concave mirror

b

Convex mirror

c

Both 1 and 2

d

None of the above 

answer is C.

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Detailed Solution

In vehicles, a convex mirror is always used as a rearview mirror, and the concave mirror is used as a headlights mirror.
Concave mirror: A concave mirror is used in the headlights of vehicles because when the bulb of the headlight is placed at the focus of the concave mirror, it allows the light to spread out to infinity (longer distances).
Convex mirror: A convex mirror is preferred as a rear-view mirror in cars and vehicles as it gives a wider field of view that helps the driver to see most of the traffic behind him. Convex mirrors always form an erect, virtual, and diminished image of the objects in front of it.
 
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