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beam spread

listen to the pronunciation of beam spread
Английский Язык - Турецкий язык
(Nükleer Bilimler) demet açılımı veya genişlemesi

Связанные Термины

full beam spread
(Askeri) TAM IŞIK YAYILMASI: Bak. "indirect illumination"
Английский Язык - Английский Язык
The diameter of the pattern of light produced by a lamp or lamp and luminaire together
-With regard to outdoor lightg, the angle between the two directions in a plane in which the intensity is equal to a stated percentage of the maximum beam intensity The percentage is typically 10% for floodlights and 50% for roadway luminaires
A measure used for directional type lamps The angle between two directions in any plane in which light intensity (in candlepower) is equal to a stated percentage of the maximum beam intensity Generally, the percentage is 10% for flood lamps and 50% for photographic lamps
a measure of the spread of light from a reflectorized light source The beam spread may be narrow (narrow spot), wide (wide flood), or something in-between (narrow flood) back to top
(in any plane) the angle between the two directions in the plane in which the candlepower is equal to a stated percent (usually ten percent) of the maximum candlepower in the beam