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Additional
Luminous intensity
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Luminous intensity
In
photometry
,
luminous intensity
is a measure of the
wavelength
-weighted
power
emitted by a
light source
in a particular direction per unit
solid angle
, based on the
luminosity function
, a standardized model of the sensitivity of the
human eye
. The
SI
unit of luminous intensity is the
candela
(cd), an
SI base unit
.
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