only serious answers desired, thanks!
Which color of light has the lowest velocity? blue, red, violet, no guessing please?
Violet
Reply:Photons are photons regardless of color, and move at the same velocity. The only difference is the rate of reflection or absorption as in; black will absorb more ultra-violet and white will reflect it. It is possible in a lab to slow down photons, but you cannot accelerate a photon faster that 186,000 miles per second.
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