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spectral line |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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spectral line [′spek·trəl ‚līn] (spectroscopy) A discrete value of a quantity, such as frequency, wavelength, energy, or mass, whose spectrum is being investigated; one may observe a finite spread of values resulting from such factors as level width, Doppler broadening, and instrument imperfections. Also known as spectrum line. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Rydberg spectral lines of an atom are sometimes superimposed on the continuous spectrum of a different configuration. Three developments in the 1890s made it easier to explore the spectral lines in the ultraviolet range: To Kohl's surprise, the ultraviolet spectral lines that his team measured in a particular part of the corona were extraordinarily broad, suggesting that the atoms there are extremely energetic and have high velocities. |
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