Asked by INNOCENT
WHAT DOMINANT THE COLOUR OF SODIUM STREET LAMB
Answers
Answered by
Sue
Bright yellow.
A better worded question would help me in helping you.
A better worded question would help me in helping you.
Answered by
DrBob222
Yes. The color is bright yellow for sodium lamps. The wavelength for Na in the visible region is a doublet of 589.0 nm and 589.59 nm. Those are the dominant wavelengths (for the visible). There is another doublet in the ultraviolet region of 330.23 nm and 330.30 nm.
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