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P is the power in lumens, and I is the intensity of light in lumens per s...
Mathematics, 21.05.2020 09:00 gamingisfun
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P is the power in lumens, and I is the intensity of light in lumens per square meter and d is the distance from the light source. An object being photographed is 3 meters from a 72-lumen light source.
What is the intensity in lumens per square meter?
Answers: 3
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