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How is photoelectric threshold frequency related to work function?

How is photoelectric threshold frequency related to work function?

Grade:upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
7 years ago
Hello Student
Work function is the minimum amount of energy you need to pop an electron out of the metal.

Threshold frequency is the lowest frequency for which a photon has that amount of energy.
Relation between the frequency (v) is related to the work function (phi) :
Work function = h v

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