Compact fluorescent (CFL) bulbs provide about four times as much visible light for a given amount of energy use. For example, a 14-watt CFL bulb provides about the same amount of visible light as a 60-watt incandescent bulb. LED lights are even more efficient at turning electrical energy into visible light. Does that mean they are both a lot hotter?
Find out how fluorescent and compact fluorescent bulbs work. Describe how their operations and their spectra differ from those of incandescent light bulbs
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Compact fluorescent (CFL) bulbs provide about four times as much visible light for a given amount of...
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