Friday, April 17, 2020

Which lamp has the best Colour Rendering Index (CRI)

Which lamp has the best Colour Rendering Index (CRI)
A) Fluorescent
B) Incandescent
C) LED
D) High pressure sodium vapour
Answer  : B
The Color Rendering Index (CRI) is a scale from 0 to 100 percent indicating how accurate a “given” light source is at rendering color when compared to a “reference” light source.
Fluorescent-76,
Incandescent-100,
LED-83,
High pressure sodium vapour-24

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