The work function of a metal is 4 eV. For the emission of photoelectrons of zero velocity…
Physics · JEE Main · NTA Exams — Atoms and Nuclei
The work function of a metal is 4 eV. For the emission of photoelectrons of zero velocity from the metal surface, the wavelength of the incident radiation should be
- 1700 Å
- 2700 Å
- 3100 Å
- 5900 Å
Answer
(C) 3100 Å
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