What is the advantage of using a convex mirror as a rear-view mirror in vehicles as compared to a plane mirror? Illustrate your answer with the help of labelled diagrams.

The advantage of using a convex mirror as a rear-view mirror in vehicles as compared to a plane mirror is that a convex mirror gives a wider field of views as compared to a plane mirror, which enables drivers to view a much larger area of the traffic behind him.

The labelled ray diagram is given below:

Explanation

A convex mirror gives a wider field of view, and always forms virtual, erect, and small-sized images of a large number of objects at the same time. Whereas, a plane mirror gives a small field of view as compared to the convex mirror, and always forms an image that equals the size of the object. Hence, a convex mirror is used as a rearview mirror in a car.

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Updated on: 10-Oct-2022

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