What is the unit of measure of the luminous flux in the SI system?

Lux
Lumen
Candela
Illuminance
The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source

Answers distribution

Lux
Lumen
Candela
Illuminance
answers
flagUnknown
16%
47%
29%
7%
55
flagPoland
24%
42%
26%
6%
685

Gender

men43%
women37%
Lux
21%
25%
Lumen
43%
37%
Candela
29%
32%
Illuminance
5%
4%

Language versions

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What is the unit of measure of the luminous flux in the SI system?
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Author: Tschuka
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