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Light intensity (disambiguation)
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Light intensity
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 in lumens per steradian (lm/sr), or candela (cd)
- Irradiance, a radiometric quantity, measured in watts per meter squared (W/m2)
- Intensity (physics), the name for irradiance used in other branches of physics (W/m2)
- Radiance, commonly called "intensity" in astronomy and astrophysics (W·sr-1·m-2)
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