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EMISSION OF LIGHT FROM GAS IN A DISCHARGE TUBE<br />
Iodine is Purple-Violet<br />
Different gases emit light of different characteristic colors upon excitation in an electrical discharge.

Fphoto-26159002-2RM.jpg

EMISSION OF LIGHT FROM GAS IN A DISCHARGE TUBE
Iodine is Purple-Violet
Different gases emit light of different characteristic colors upon excitation in an electrical discharge.

Copyright:© 1990 Richard Megna - Fundamental Photographs

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