A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm …
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm. The retarding potential required to stop the escape of photo-electrons is
- 4.81 eV
- 3.74 eV
- 2.66 eV
- 1.07 eV
Answer
(C) 2.66 eV
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