Mathematics, 03.09.2020 20:01 marendt2014
The illuminance of a light, E, varies directly with the intensity of the light, I, and inversely with
the square of the distance, D from the light. At a distance of 8 feet, a light meter reads 7 units
for a 48-cd lamp. Find the illuminance of a 32-cd lamp at a distance of 3 feet.
Answers: 2
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The illuminance of a light, E, varies directly with the intensity of the light, I, and inversely wit...
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