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| Address | P.O. Box 219 Batavia, IL 60510 |
| Phone | 844-200-1455 |
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DC91431
Price: FREE
Explaining concepts such as the photoelectric effect and the Planck relationship between energy and frequency of photons is made much easier with a concrete demonstration. Here, phosphorescent zinc sulfide is used to demonstrate the energy difference between red and blue photons of light.
