Physics · Illumination
Which of the following statements regarding the absorption factor in illumination design is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is defined as the ratio of the change in the brightness after the light has been absorbed by the surface.
- 2It is defined as the ratio of utilisation factor to the depreciation factor.
- 3It is defined as the ratio of the candle power before and after absorption of light.
- 4It is defined as the ratio of total lumens available after absorption to the total lumens emitted by the source of light.✓
Correct answer
It is defined as the ratio of total lumens available after absorption to the total lumens emitted by the source of light.
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