in foot-candles.
i.e. the brightness of a candle one foot away
A candela is a unit of measurement for light sources and light emissions. Light beams projects different color at different wavelengths, and a candela is used to measure the intensity of the light.
The unit of fluorescence intensity is known as FUs. These are unitless and instead shows the light that is emitted from the longer wavelength.
candela--------------------------------------------The official international definition of candela (1979) is:"The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 10e12 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian".
boobs
The light intensity is poop!
Luxmeter measures luminous intensity. The SI unit of luminous intensity is candela (cd).
Light intensity is also known as luminosity. Candela is the si unit
Several units are used, depending on what you want to measure. For example, in the case of sound, you can use units of energy, of intensity (energy/area), of wavelength, frequency, speed, and probably a few more.
Candlepower measures the intensity of light emitted by a source, typically a candle. It is a unit of luminous intensity, indicating how bright the light appears to the human eye. The higher the candlepower, the brighter the light.
Candela measures the brightness of a light source in a specific direction, while lux measures the amount of light that falls on a surface per unit area. Candela is a measure of luminous intensity, while lux is a measure of illuminance.
The SI unit of Intensity of light is CANDELA.
Light intensity.
lux
Candela measures luminous intensity, which is the amount of light emitted by a source in a particular direction. It is a unit of measure for how bright a light source appears to the human eye.
it measures the intensity of light of a specified frequency
The SI unit for luminous intensity is candela (cd).
A candela is a unit of measurement for light sources and light emissions. Light beams projects different color at different wavelengths, and a candela is used to measure the intensity of the light.