defr Glossar

Monochromatic is the term used for light consisting of waves of one wavelength only. This is termed a pure spectral colour, which is comparable with a sinusoidal tone in acoustics. Light from the sun or from artificial light sources (except for lasers) is polychromatic: it contains waves of different wavelengths. Polychromaticity

Monochromatic (a) and polychromatic (b) light
Fig. 27: Monochromatic (a) and polychromatic (b) light


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