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  • The levels of light on a surface is called illuminance, w...
Multiple choice

The levels of light on a surface is called illuminance, what is the unit of illuminance?

  1. Lumens

  2. Candelas

  3. Flux

  4. Lux

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The SI unit for illuminance is the lux, which is defined as one lumen per square meter.

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