Question:
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 (m is the electron mass)
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 (m is the electron mass)
Updated On: Apr 21, 2025
- $\sqrt{\frac{h}{2m}}$
- $\sqrt{\frac{hv}{m}}$
- $\sqrt{\frac{2hv}{m}}$
- $2\sqrt{\frac{hv}{m}}$
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The Correct Option is C
Solution and Explanation
The correct option is (C): $\sqrt{\frac{2hv}{m}}$
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