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Reflection
light bouncing off a surface

Light is said to be reflected when the angle at which light initially strikes a surface is equal to the angle at which light bounces off the same surface.


In the diagram above, light strikes a surface at an angle "a" and leaves at an angle "b" (relative to that surface).


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Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.