December 1, 2015

Homework Help: physics

Posted by Lorlyna on Tuesday, April 26, 2011 at 3:38pm.

A laundry detergent contains a three-level quantum system ("whitener") which absorbs ultraviolet light at 273 nm. It emits light at 597 nm as part of a two-step process . What is the wavelength of the second emission process?

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