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Help calculating light intensity
This is the question Find the intensity of a light source that produces an illumination of 7.50 lux at a distance of 30m from the source. This what I get but it's wrong 84823 This is the formula E = Illumination I = luminous intensity of the source ( in lumens) r= distance...- Mastagamer
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- Intensity Light Light intensity
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- Forum: Introductory Physics Homework Help