Rays of light strike a bumpy road and are reflected. What can be predicted about the reflected rays?

The law of reflection applies to each ray: its angle of reflection equals its angle of incidence, measured from the surface normal at the point where it hits. Because the road is bumpy, those surface normals vary, so the reflected rays can travel in different directions. Thus, each ray follows the law of reflection, but they do not all have the same reflected direction or angle.

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