Encyclopedia > December 4

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December 4

December 4 is the 338th day (339th on leap years) of the Gregorian calendar. There are 27 days remaining.

Events:

Births:

Deaths:

Holidays and observances:


See Also:

December 3 - December 5 - November 4 - January 4 -- listing of all days

January, February, March, April, May, June, July, August, September, October, November, December



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Photoelectric effect

... energy than the work function, it is ejected from the material. If the photon energy is too low, however, the electron is unable to escape the surface of the material. ...