hailekelly9149 hailekelly9149
  • 11-03-2024
  • Physics
contestada

The work function of a metal is 4 eV. To emit a photoelectron of zero velocity from the surface of the metal, the wavelength of the incident light should be:
a. 2500 Å
b. 3105 Å
c. 5600 Å
d. 1600 Å

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