Assume that half of the light emitted by a 100 W incandescent lamp (1750 lumens) illuminates a
Question:
Assume that half of the light emitted by a 100 W incandescent lamp (1750 lumens) illuminates a 100 ft2 surface.
a. Determine the average illuminance of the surface in foot-candles.
b. Determine the average illuminance of the surface in lux.
c. What would the average illuminance be if only half of the light illuminated the surface?
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a determine the total lumens of light that illuminates the surface We can do this by dividing the to...View the full answer
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