Red vibrates at the lowest frequency of visible light. When this happens at the lowest frequency of visible light, it produces red light. Lower frequency means it happens less often over a period of time. Each single wave is stretched out over a longer time period thus a longer wave length .
Read moreDoes red have longer wavelengths?
On one end of the spectrum is red light, with the longest wavelength . Blue or violet light has the shortest wavelength. White light is a combination of all colors in the color spectrum.
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