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This
experiment is based around interaction with a computer simulation
of a Raman spectrum. The model is embedded into the web pages that
contain the practical.
Spectroscopy is the study of the exchange of energy between radiation
and matter. Light of a known frequency irradiates a sample. Molecules
in the sample emit or absorb distinct packets of energy. The frequency
and intensity of light hitting a detector is converted by a spectrometer
into a spectrum.
In the lab often it is not energy that is measured directly but frequency
of the electromagnetic radiation. It is simple to convert frequency
into energy units using the equation:
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