unit of luminous intensity

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• 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 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 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 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

• luminous intensity unit — noun a measure of luminous intensity • Syn: ↑candlepower unit • Hypernyms: ↑light unit • Hyponyms: ↑candle, ↑candela, ↑cd, ↑standard candle, ↑ …   Useful english dictionary

• luminous intensity — /lumənəs ɪnˈtɛnsəti/ (say loohmuhnuhs in tensuhtee) noun (of a point source of light) the luminous flux emitted per unit solid angle, measured in candela …  

• Intensity (disambiguation) — Intensity is a widely used term, which can refer to:In colloquial use: *Strength *Amplitude *Level *MagnitudeIn physics: *Intensity (physics), power per unit area (W/m2) *Field strength of electric, magnetic, or electromagnetic fields (V/m, T,… …   Wikipedia

• 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

• unit — 1. One; a single person or thing. 2. A standard of measure, weight, or any other quality, by multiplications or fractions of which a scale or system is formed. 3. A group of persons or things considered as a whole because of mutual activities or… …   Medical dictionary

• Intensity (physics) — In physics, intensity is a measure of the time averaged energy flux. The word intensity here is not synonymous with , , or , as it sometimes is in colloquial speech. For example, the intensity of pressure is meaningless, since the parameters of… …   Wikipedia

• intensity — Synonyms and related words: ASA scale, British candle, Hefner candle, Scheiner scale, Technicolor, abandon, acuteness, ampleness, amplitude, animality, ardency, ardor, atrocity, barbarity, bloodlust, bougie decimale, boundlessness, bright color,… …   Moby Thesaurus