luminous intensity

noun

, Optics.

the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles.

luminous intensity

a measure of the amount of light that a point source radiates in a given direction. It is expressed by the luminous flux leaving the source in that direction per unit of solid angle Iv

luminous intensity

The luminous flux per unit solid angle (per steradian), as measured in a given direction relative to a light source. Its unit is the candela.
See also luminance

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The sky in the East was soft with that luminous intensity, as of a melted sapphire, that comes just before the dawn.

The luminous intensity of the oxyhydrogen lime-light as used in practice was generally from 200 to 400 candle-power.

Their luminous intensity and illuminating value became units just as the foot was arbitrarily adopted as a unit of length.

Rumford and also Fresnel devised multiple-wick burners, thus increasing the luminous intensity.

For this reason a red light would have a greater range than a blue light of the same luminous intensity.

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