SI unit of the brightness of a point light source is
DescriptionQuantity measured nameRecommended unitBrightness of point sourceLuminous intensityCandelaFlow of lightLuminous fluxLumenAmount of light reaching surfaceIllumination IlluminanceLuxAmount of light re-emitted by surfaceBrightness luminanceLambe
Candela
Lumen
Lux
Lambe
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