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Beam and brightness |
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| Date: 2012-03-21 |
Beam (flux) (f) and luminosity (l) the relationship between
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The average radiation in all directions when a light source, the angle of a luminous flux divided by the luminosity will be equal to, that is:
Example, a 2000 lumen incandescent bulbs mounted 0.9 penetration with milky glass lamp housings within one point of its luminosity is:
This formula applies only to a limited instance; only light the brightness of radiation from any direction is the same will apply.
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