Home Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect Light of wavelength 1824 Å, incident on the …
Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

Light of wavelength 1824 Å, incident on the surface of a metal, produces photo-electrons with maximum energy 5.3 eV. When light of wavelength 1216 Å is used, the maximum energy of photoelectrons is 8.7 eV. The work function of the metal surface is

A
3.5 eV
B
13.6 eV
C
6.8 eV
D
1.5 eV

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The correct answer is:
D

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