The work function of metal is 4 eV. To emit a photo electron of zero v – InterviewSolution

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1.	The work function of metal is 4 eV. To emit a photo electron of zero velocity from the surface of metal, the wavelength of incident light should be:
Answer» The work function of metal is $4 eV$ . To emit a photo electron of zero velocity from the surface of metal, the wavelength of incident light should be:

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