FACTOID # 142: Americans consume the sixth-most spirits, the eighth-most beer and the 18th-most wine. They’re also likely to view heavy drinkers as undesirable neighbors.
 
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Encyclopedia > Incident ray

The incident ray is the ray of light that strikes the surface before reflection, transmission, or absorption. The angle of this ray is measured from a normal to the surface.


  Results from FactBites:
 
Ray (optics) - Wikipedia, the free encyclopedia (662 words)
The angle between this ray and the perpendicular or normal to the surface is the angle of incidence.
The reflected ray corresponding to a given incident ray, is the ray that represents the light reflected by the surface.
A sagittal ray or transverse ray is a skew ray that intersects the pupil at y
  More results at FactBites »


 

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