Electrical Engineering · Illumination
Which of the following statements is NOT true about the Space/Height Ratio in illumination engineering?
- 1For indoor lighting, the value of this ratio typically lies between 1 and 2.
- 2It is used only in applications involving sodium vapour lamps.✓
- 3It depends on the nature of the polar curve of the lamp.
- 4It is the ratio of horizontal distance between two lamps to the mounting height of the lamp.
Correct answer
It is used only in applications involving sodium vapour lamps.
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