Why Black and White colours has not specific wavelength?
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Answer:
Visible light, radio waves, x-rays and other types of radiation are all part of the electromagnetic spectrum. ... In physics, a color is visible light with a specific wavelength. Black and white are not colors because they do not have specific wavelengths. Instead, white light contains all wavelengths of visible light.
A color is visible light with a specific wavelength. Black and white are not colors because they do not have specific wavelengths. Instead, white light contains all wavelengths of visible light. Black, on the other hand, is the absence of visible light.
Black is the absence of light. Unlike white and other hues, pure black can exist in nature without any light at all. Some consider white to be a color, because white light comprises all hues on the visible light spectrum. ... But in a technical sense, black and white are not colors, they're shades.