Illuminance unit
Understand the Problem
The question asks for the unit of measurement for illuminance. Illuminance is a measure of how much luminous flux (light) is spread over a given area.
Answer
The SI unit for illuminance is lux (lx).
The SI unit for illuminance is lux (lx). Lux is equivalent to one lumen per square meter.
Answer for screen readers
The SI unit for illuminance is lux (lx). Lux is equivalent to one lumen per square meter.
More Information
Illuminance is a measure of how much luminous flux (light) is spread over a given area. One lux is equal to one lumen per square meter.
Tips
Do not confuse illuminance with luminance, which measures the amount of light emitted or reflected from a surface.
Sources
- Luminance vs. Illuminance: What's the Difference? - HunterLab - hunterlab.com
- Illuminance - Wikipedia - en.wikipedia.org
- Lux - Wikipedia - en.wikipedia.org
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