Chemistry, 19.07.2019 22:30 blondie02

If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is lux. a. 648 b. 24 c. 8 d. 216

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If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on...

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