Physics, 18.11.2020 21:10 aguilarjose

A 60-Watt bulb illuminates a surface a distance d away with an illuminance of 1800 lux. What would be the illuminance
on a surface the same distance away if illuminated by a 30-
Watt bulb?

Answers: 1

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A 60-Watt bulb illuminates a surface a distance d away with an illuminance of 1800 lux. What would...

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