# What is the magnification produced by a rear view mirror fitted in vehicles?

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What is the magnification produced by a rear view mirror fitted in vehicles?

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Convex mirrors are used in vehicles for rear view due to their wide field of view. And the convex mirror forms a virtual, erect and diminished image of the object. Therefore, magnification (m) produced by a rear view mirror fitted in vehicles is less than one i.e., m < +1 because

Magnification (m) = $\frac{Image\,height}{object\,height}$

And image size is less than the object size.

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