The threshold frequency of a metal is $\nu_0$. Photoelectric emission will occur for incident frequency $\nu$ when:

1. A $\nu < \nu_0$
2. B $\nu \ge \nu_0$ Correct answer
3. C $\nu = 0$
4. D $\nu = \nu_0/2$

Solution

Einstein's equation: photon energy must exceed the work function.

About this question

Subject: Physics · Chapter: Dual Nature of Matter and Radiation · Topic: Photoelectric Effect

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