luminous power

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• Luminous 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… …   Wikipedia

• Luminous flux — In photometry, luminous flux or luminous power is the measure of the perceived power of light. It differs from radiant flux, the measure of the total power of light emitted, in that luminous flux is adjusted to reflect the varying sensitivity of… …   Wikipedia

• luminous 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… …   Universalium

• luminous flux — noun In photometry, the measure of the power of light as perceived by the human eye. Syn: luminous power See Also: lumen …   Wiktionary

• Luminous Studio — Игровой движок (Список) Разработчик …   Википедия

• luminous intensity — n the intensity of a light source as measured by the luminous flux per unit solid angle and usu. expressed in candles * * * the light giving power of a source of light. Cf. candle power …   Medical dictionary

• Luminous Arc — Infobox VG title = Luminous Arc developer = Image Epoch publisher = Marvelous Interactive Inc. (Japan) Atlus (U.S.) Rising Star Games (U.K) distributor = designer = Hideyuki Mizutani (producer) Kaito Shibano (designer) composer = Akari Kaida… …   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.… …   Wikipedia

• Luminous coefficient — The luminous coefficient is a coefficient that measures the integrated fraction of the radiant power that contributes to its luminous properties as evaluated by means of the standard luminosity function. [cite book|title=Van Nostrand s Scientific …   Wikipedia

• Luminous mind — Part of a series on Buddhism Outline · Portal History Timeline · Councils …   Wikipedia

• luminous 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.… …   Useful english dictionary