[10.5.6.5]
NOTE: This term was added in RP-16-17 Addendum 2.
The angle between a ray of light arriving at a surface and a line normal (perpendicular) to that surface.
« Back to Definitions Index[10.5.6.5]
NOTE: This term was added in RP-16-17 Addendum 2.
The angle between a ray of light arriving at a surface and a line normal (perpendicular) to that surface.
« Back to Definitions Index