Home Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect A metal surface of work function 1.07 eV is …
Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

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

A
4.81 eV
B
3.74 eV
C
2.66 eV
D
1.07 eV

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Text Solution

Verified by Experts
The correct answer is:
C

Energy of incident light

According to the relation

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