Home Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect The threshold frequency of a certain metal i…
Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

The threshold frequency of a certain metal is . If light of frequency is incident on the metal, then the cut off voltage for photoelectric emission is:

A
2 V
B
4 V
C
6 V
D
8 V

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The correct answer is:
A

As by the relation

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