Physics · Photometry
Which one of the following relations is approximately correct for monochromatic light of peak sensitivity wavelength (555 nm)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 lumen = 1 watt
- 21 lumen = 0.00146 watts✓
- 31 lumen = 16 Megawatts
- 41 lumen = 16 Kilowatts
Correct answer
1 lumen = 0.00146 watts
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