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Lumen
The lumen (symbol lm) is the SI derived unit of luminous flux, which quantifies the perceived power of visible light emitted by a source.
Explanation
HistoryLumen is the Latin word for light. |
< 1 2 >
The lumen (symbol lm) is the SI derived unit of luminous flux, which quantifies the perceived power of visible light emitted by a source.
HistoryLumen is the Latin word for light. |