3 characteristics of an image formed by a plane mirror?

Difference between reflection and refraction?
 
Rear View Mirrors carry the warning " objects seen in the mirror may be closer than they appear". Give reason

In conclusion, plane mirrors produce images with a number of distinguishable characteristics. Images formed by plane mirrors are virtual, upright, left-right reversed, the same distance from the mirror as the object's distance, and the same size as the object.  
Reflection occurs when light bounces off objects.  If the surface is rough, the light scatters.  If the surface is smooth and flat, the light will bounce off it at equal angles. 
Refraction occurs because light bends.  A lens is a piece of transparent material.  It is usually made of glass and has at least one curved surface.The phrase "objects in (the) mirror are closer than they appear" is a safety warning that is required because , it makes objects appear smaller. Since smaller-appearing objects seem farther away than they actually are, a driver might move skillfully or carefully such as a lane change assuming an adjacent vehicle is a safe distance behind, when in fact it is quite a bit closer.
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