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SPECTRUM ANALYSIS: EMISSION (BRIGHT LINE) SPECTRA<br />
Air<br />
Electrical discharge passes through the spectrum tube, which is filled with gas, causing electrons in the gas to be excited.  As the electrons relax, they emit light - a characteristic color for each gas.

Fphoto-53800204A-3RM.jpg

SPECTRUM ANALYSIS: EMISSION (BRIGHT LINE) SPECTRA
Air
Electrical discharge passes through the spectrum tube, which is filled with gas, causing electrons in the gas to be excited. As the electrons relax, they emit light - a characteristic color for each gas.

Copyright:© 2002 Richard Megna - Fundamental Photographs

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