Luminous intensity

luminous intensity
Common symbols
Iv
SI unitcandela
Other units
In SI base unitscd
Dimension

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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