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wavelength

The fundamental quality characterizing a photon, equivalent to its energy. Differing visible wavelengths are perceived as different colors.

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wavelength

The distance from peak to peak in a light wave that determines the color of the light.
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wavelength

A unit of measurement, from on crest to the next, in the spectrum, stated as nanometer (one billionth of a meter).
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wavelength

The distance between waves in the electromagnetic field, specified as angstroms or Nanometers.
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