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Category:Spectroscopy

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spectroscopy
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Spectroscopy

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Encyclopedic overview

Spectroscopy is the study of the interaction between radiation (electromagnetic radiation, or light, as well as particle radiation) and matter. Spectrometry is the measurement of these interactions; a machine which performs such measurements is a spectrometer or spectrograph. A plot of the interaction is referred to as a spectrogram, or, informally, a spectrum.

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Excerpted from Wikipedia’s “Category:Spectroscopy” article, available under the CC BY-SA 4.0 licence.