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#4
Dec12-11, 07:27 AM
Mentor
P: 15,066
The eye and pixels on a television screen

Correct.

In the example of a spot on a wall illuminated by red and green lasers, there is no yellow frequency component to the reflected light. The only components are red and green. The same applies when you see some color that looks yellow on your computer monitor. There is no yellow frequency component to that light, yet it appears to be yellow to your eyes.