The minimum energy required for the electron emission from the metal surface can be supplied to the free electrons by which of the following physical processes?

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Question:
The minimum energy required for the electron emission from the metal surface can be supplied to the free electrons by which of the following physical processes?

1.Thermionic emission

2.Field emission

3.Photoelectric emission

4.All of these

More MCQS Questions and answers

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  13. The minimum energy required for the electron emission from the metal surface can be supplied to the free electrons by which of the following physical processes?
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