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Light intensity - Wikipedia, the free encyclopedia
Several measures of light are commonly known as intensity : •Radiant intensity, a radiometric quantity measured in watts per steradian (W/sr) •Luminous intensity, a photometric quantity measured i...
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Intensity (physics) - Wikipedia, the free encyclopedia
In physics, intensity is a measure of the time-averaged energy flux. The word "intensity" here is not synonymous with "strength", "amplitude", or "level", as it sometimes is in colloquial speech. Fo...
en.wikipedia.org/wiki/Intensity_(physics) |
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Light intensity considerations and controls in video production ... Light intensity (quantity) is measured in foot-candles (candela) in the United States, or in lux in most other countries. Even in the United States "lux" seems to be replacing "foot-candles." As we've noted, a foot-candle equals about 10.74 lux (or,
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Conclusions: 1) Cheap electronic fixtures reduce your light intensity and bulb life. 2) Cheap reflective material can increase your light intensity. ... But my concern is what kind of light intensity is needed by the plants and is minimal or optimal for the various species. My reflectivity inside the tank I know is...
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How does light intensity affect the rate of photosynthesis? ... Photosynthesis is light dependent. At low light intensities, this may become the limiting factor - one reason why plants grow better outdoors, rather than in the house, and one reason why we recommend the use of light banks if you are trying to grow plants...
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A light probe can be used to measure the intensity of light coming from light sources. But what happens to the light intensity as you move the probe and the light source further apart?
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