Which lamp has a negative Colour Rendering Index (CRI)?
A. LED
B. Fluorescent
C. High pressure sodium vapour
D. Low pressure sodium vapour
Show Answer
Answer: D
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Which lamp has a negative Colour Rendering Index (CRI)?
A. LED
B. Fluorescent
C. High pressure sodium vapour
D. Low pressure sodium vapour
Answer: D
Share your understanding of this question with the correct explanation.