Definition of Foot candle. Meaning of Foot candle. Synonyms of Foot candle

Here you will find one or more explanations in English for the word Foot candle. Also in the bottom left of the page several parts of wikipedia pages related to the word Foot candle and, of course, Foot candle synonyms and on the right images related to the word Foot candle.

Definition of Foot candle

Foot candle
Foot candle Foot candle (Photom.) The amount of illumination produced by a standard candle at a distance of one foot.

Meaning of Foot candle from wikipedia

- A foot-candle (sometimes foot candle; abbreviated fc, lm/ft2, or sometimes ft-c) is a non-SI unit of illuminance or light intensity. The foot-candle is...
- obscured. The word candela is Latin for candle. The old name "candle" is still sometimes used, as in foot-candle and the modern definition of candlepower...
- the foot-candle. One foot candle is about 10.764 lx. Since one foot-candle is the illuminance cast on a surface by a one-candela source one foot away...
- the unit of illuminance is the phot, which is equal to 10000 lux. The foot-candle is a non-metric unit of illuminance that is used in photography. Illuminance...
- coulomb The candle and the foot-candle were the first defined units of light, defined in the Metropolitan Gas Act (1860). The foot-candle is the intensity...
- flux, and ρ for luminous efficacy of a source. André Blondel Brightness Foot-candle, a non-SI unit of luminous flux Luminous efficacy Nit (unit) The 9th...
- courses [shall have] 0.2 foot-candles at center m**** of target area-" applicable to handguns, shotguns, and rifles. [Ref] 1 foot-candle is approximately 10...
- a type of container ship Female condom (FC1, FC2), a contraceptive Foot-candle (symbol fc or ft-c), a unit of illumination Formal charge, a Lewis structure...
- L_{\mathrm {v} }} is the luminance, in foot-lamberts, E v {\displaystyle E_{\mathrm {v} }} is the illuminance, in foot-candles, and R {\displaystyle R} is the...
- ****ist them with this. Waldram suggested that ordinary people require one foot-candle of illuminance (approximately ten lux) for reading and other work involving...