Question

what is luminous intensity
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Answer 1

Answer:

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, an SI base unit.

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Answer 2

$\bf\colorbox{red}{Answer:-}$

The luminous intensity is a quantity for characterizing a light source. It is defined as the luminous flux per unit solid angle. The analogous quantity in radiometry is the radiant intensity. The SI units of the luminous intensity are the candela = lumen per steradian (cd = lm/sr).