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19 August, 04:08

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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Answers (1)
  1. 19 August, 04:17
    0
    The answer is d. 96 candelas
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