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Answer : 2. "Flame flux"
What is the unit of Lumen?
5Q:
What is the unit of Lumen?
- 1Light intensityfalse
- 2Flame fluxtrue
- 3Both A and Bfalse
- 4None of thesefalse
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Answer : 2. "Flame flux"
Explanation :
The SI unit of luminous flux is the lumen (lm). One lumen is defined as the luminous flux of light produced by a light source that emits 1 cd of luminous intensity over a solid angle of 1 sr. In other systems of units, luminous flux may have units of power.