Author Question: The different colors of the spectrum A) are sharply divided. B) blend from one to another. C) ... (Read 55 times)

pane00 · **on:** Jul 29, 2018

The different colors of the spectrum

A) are sharply divided.
B) blend from one to another.
C) differ from the colors of a rainbow.

Question 2

Humans see best in the yellow-green region of the spectrum. So the efficiency of sodium yellow-green lamps that illuminate highways is

A) higher.
B) lower.
C) not affected.