Category:Photoelectricity

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A 1913 photoelectric photometer mount on a refractor - Photo by Dr. John Dickel, The National Park Service, and The University of Illinois Observatory

When electrons are emitted from matter as a consequence of the absorption of electromagnetic radiation of short wavelength

Pages in category "Photoelectricity"

The following 2 pages are in this category, out of 2 total.

M

Robert A. Millikan

Z

Vladimir Zworykin

Media in category "Photoelectricity"

This category contains only the following file.

Photoelectricity UofI photoelectric photometer 1913 mount on refractor.jpg 350 × 446; 14 KB

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Electron devices