Question

why convex mirror is used as rear view mirror?​

Answer 1

because convex mirror gives an virtual image.

and it produces or shows large image. therfore convex mirror is used as rear view mirror.

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Answer 2

Answer:

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Explanation:

We prefer a convex mirror as a rear-view mirror in vehicles because it gives a wider field of view, which allows the driver to see most of the traffic behind him. Convex mirrors always form a virtual, erect, and diminished image of the objects placed in front of it.