Photoelectric investigation into cathode rays

(17 words)
  • Editors

Historical Context Note

Philipp Lenard (1862-1947) observes that maximum photoelectron energies are independent of illuminating intensity but depend on frequency.

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Citation:
Editors. "Photoelectric investigation into cathode rays". The Literary Encyclopedia. First published 01 May 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=6392, accessed 23 October 2014.]