Question

Why do we prefer a convex mirror as a rear-view mirror in vehicles?​

Answer 1

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Often we have observed the rear view mirror have a strange mirror curving outwards which is actually a Convex mirror. These rear view mirrors or wing mirrors are fitted on the sides of the vehicle which helps the driver to see the objects behind.

Reason Why They are used?

Convex mirror are used in rear view mirrors because of their image formation with respect to the position of the object. They always form erect, dimished image. They give a wider view because they are curving outwards. This helps the person on the front seats to cover a larger area from behind.

In the attachment, An example how we can get a larger and wider view of things behind the vehicle.

Answer 2

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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.

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