The luminous flux of a light bulb is 100 lumen at 1 m. What is the luminous flux at 2 m?
The luminous flux of a light bulb is 100 lumen at 1 m. What is the luminous flux at 2 m?
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Transcribed Image Text:Advanced Physics
The luminous flux of a light bulb is 100
lumen at 1 m. What is the luminous flux at
2 m?
200 Im
100 Im
400 Im
25 Im
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