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Chemistry, 04.02.2020 03:01 mikeysoulemison

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

a. 24 candelas
b. 144 candelas
c. 72 candelas
d. 96 candelas

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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...

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