luminous quantity
1Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… …
2quantity of light — luminous energy that is the product of mean luminous flux by time quantity of light expressed in lumen hours …
3luminous intensity — Optics. the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles. * * * ▪ physics the quantity of visible light that is emitted in unit time per unit solid angle. The unit for the quantity of light… …
4Luminous energy — In photometry, luminous energy is the perceived energy of light. This is sometimes also called the quantity of light.Luminous energy is not the same as the radiant energy, the corresponding objective physical quantity. This is because the human… …
5Luminous 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.… …
6luminous intensity — noun : a quantity used to specify the light giving power of a source (as a lamp) and usually expressed in candles a point source whose luminous intensity is one candle emits one lumen of luminous flux per steradian of solid angle * * * Optics.… …
7luminous energy — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, lygus pastoviojo šviesos srauto ir jo veikimo trukmės sandaugai. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie,… …
8luminous energy — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Šviesos srauto pagal laiką integralas. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie, f rus. световая энергия, f pranc …
9quantity of light — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, lygus pastoviojo šviesos srauto ir jo veikimo trukmės sandaugai. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie,… …
10quantity of light — šviesos energija statusas T sritis Standartizacija ir metrologija apibrėžtis Šviesos srauto pagal laiką integralas. atitikmenys: angl. luminous energy; quantity of light vok. Energie des Lichtes, f; Lichtenergie, f rus. световая энергия, f pranc …
