Physics, 19.05.2020 20:57 yaz1206

A 60-Watt bulb illuminates a surface a distance d away with
an illuminance of 3600 lux. What would be the illuminance
on a surface a distance 0.5•d away (i. e., one-half the
distance away) when illuminated by a 120-Watt bulb?

Answers: 3

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A 60-Watt bulb illuminates a surface a distance d away with
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A 60-Watt bulb illuminates a surface a distance d away withan illuminance of 3600 lux. What would be the illuminanceon a surface a distance 0.5•d away (i. e., one-half thedistance away) when illuminated by a 120-Watt bulb?

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Another question on Physics

A 60-Watt bulb illuminates a surface a distance d away with
an illuminance of 3600 lux. What would be the illuminance
on a surface a distance 0.5•d away (i. e., one-half the
distance away) when illuminated by a 120-Watt bulb?