Physics, 03.04.2020 01:20, tredagoat20

4 points
A luminous source lights up an area 2.0 m away with an illuminance of
100.0 lx. How much will the illumination decrease by if the distance is
doubled? How much will the illumination decrease by if the distance is
tripled?

Answers: 3

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4 points
A luminous source lights up an area 2.0 m away with an illuminance of
100.0 lx....