We've all seen that label on our passenger side mirrors that says, "Objects in mirror are closer than they appear." Why is this? Further, why does it only apply to the passenger side mirror, and not the driver-side or rear-view mirrors?
[Physics] Distance of objects in car mirrors
opticsreflection
Best Answer
The mirror is made convex in order to provide a wider field of view. Thus, the objects in it appear smaller than on a flat mirror, and your brain infers they should be further away.