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3 votes
The rearview mirror on a car is often slightly convex. Explain why this is more practical than a plane mirror.​

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User Eolsson
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2 Answers

4 votes
It gives a wider field of view.
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Answer:

it decreases the reflection distance so that you are able to view a wider angle. think of it like the new iphone and it's new wide camera lenses. the mirror expands the distance between the photons that are being reflected by the mirror.

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User GWW
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