Home Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect The threshold wavelength for photoelectric e…
Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

The threshold wavelength for photoelectric effect of a metal is . The work function of the metal is approximately:

A
2 eV
B
1 eV
C
0.1 eV
D
3 eV

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Text Solution

Verified by Experts
The correct answer is:
A

From the relation:

Thus

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