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BASICS |
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| Self-Test | Click on an answer and see if you are right! |
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A 4 foot fluorescent lamp emits approximately how many lumens? (a) 40 Lumens (b) 1000 Lumens (c) 3000 Lumens (d) 32,000 Lumens
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TRY AGAIN!
Even a single candle emits about 13 lumens! TRY AGAIN!
More than that! CORRECT!
Actually, depending on the ballast operating it, a typical 4-foot fluorescent lamp may put out 2500 to 3200 lumens. TRY AGAIN!
Way too much! A 400 watt Metal Halide lamp is likely to put out this amount of light. |