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plane of incidence

noun, Optics.
a plane determined by a given ray, incident on a surface, and the normal at the point where the incident ray strikes the surface.
Origin of plane of incidence
1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for plane of incidence
  • Profile angle is the angle between the plane of incidence and horizontal plane, when projected on a vertical plane.

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