Why driver prefers to use a convex mirror as rear-view mirror?

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Solution

We use convex mirror as a rear view mirror in the vehicles because convex mirror always forms virtual, erect and diminished images irrespective of distance of the object. A convex mirror enables a driver to view large area of the traffic behind him. Convex mirror forms very small image than the object. Due to this reason convex mirrors are used as rear view mirrors in vehicles.

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