QUESTION #2
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What are the wavelengths of the basic colors (Red, Orange, Yellow, Green, Blue, Violet) in the color spectrum?

Asked by: Undisclosed sender

Answer

Here are the wavelengts of the colors you requested:
Red780 to 622 nm
Orange622 to 597 nm
Yellow597 to 577 nm
Green577 to 492 nm
Blue492 to 455 nm
Violet455 to 390 nm
Note: 1 nm (nanometer) = 10-9 m
Reference: Hecht Optics by Eugene Hecht, Addison-Wesley Publishing Company, USA 1990, p72
Answered by: Anton Skorucak, M.S. Physics, PhysLink.com Creator