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Luminous Intensity (Iᵥ) ○◂|Definition|1st|20260107002435-00-⌔
Luminous intensity - Wikipedia
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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