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  • For photoelectric emission from certain metal the cut-off frequency is v. If radiation of frequency 2v impinges on the metal plate, the maxi

For photoelectric emission from certain metal the cut-off frequency is v. If radiation of frequency 2v impinges on the metal plate, the maximum possible velocity of the emitted electron will be:

Answers (1)

\begin{array}{l} \frac{1}{2} m v_{\max }^{2}=h 2 v-h v \\ v_{\max }=\sqrt{\frac{2 h v}{m}} \end{array}

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Satyajeet Kumar

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