The work function of lungslen is 4.50 ev. Calculate speed of fastest election ejected from tungsten when light whose pholon energy is 5.80 ev. Shines on surface.

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The work function of lungslen is 4.50 ev. Calculate
speed of fastest electron ejected from tungsten
when light whose pholon energy is 5.80 ev. Shines
on surface.
Transcribed Image Text:The work function of lungslen is 4.50 ev. Calculate speed of fastest electron ejected from tungsten when light whose pholon energy is 5.80 ev. Shines on surface.
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