Ex. 4: The work function of tungsten is 4.50 eV. Calculate the speed of fastest electron ejected from tungsten when light whose photon energy is 5.80 eV. Shines on the surface.

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Ex. 4: The work function of tungsten is
4.50 eV. Calculate the speed of fastest electron
ejected from tungsten when light whose
photon energy is 5.80 eV. Shines on the
surface.
Transcribed Image Text:Ex. 4: The work function of tungsten is 4.50 eV. Calculate the speed of fastest electron ejected from tungsten when light whose photon energy is 5.80 eV. Shines on the surface.
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