Mathematics, 18.08.2021 23:40 taralynnn8870
A light meter 5.4 m from a light source registers 20 lux. What intensity would it measure 1.8 m from the light source?
Answers: 1
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A light meter 5.4 m from a light source registers 20 lux. What intensity would it measure 1.8 m from...
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