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the illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the saurce?
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the illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the saurce?

User Zoon Nooz
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1 Answer

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L = illuminance
A = surface
i = intensity

L = i / A ==: i = L * A

i = 6 lux * 4 m^2 = 24 lumen
User Saitho
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