Physics · Illumination Engineering
In a semi-direct lighting system, approximately what percentage of the total light flux is directed downward toward the working object?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160% to 90%✓
- 210% to 20%
- 30% to 10%
- 430% to 50%
Correct answer
60% to 90%
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