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Unformatted text preview: W. Incandescent bulbs are about 15
lumen / W, but a fluorescent bulb is closer to 70 lumen / W.
A monochromatic source emitting light of around 555 nm in
wavelength would be the ideal in terms of efficiency, with all of
its radiation being visible to us instead of infrared (waste heat). Credits
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This note was uploaded on 11/17/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.
- Fall '11