the work function of a metal is 4.65ev and the metal is illuminated with radiation...

the work function of a metal is 4.65ev and the metal is illuminated with radiation of 6.86ev .what is the k.,e and speed of electron ejected from the metal surface?

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Answers (1)

Dende
3 months ago
K.E = 1/2mv^2

E - W = 6.86 - 4.65


= 2.21ev
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