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MMLU-Pro / 9097 / When the wavelength of the incident light exceeds 6500 …

Problem

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question

When the wavelength of the incident light exceeds 6500 \AA, the emission of photoelectrons from a surface ceases. The surface is irradiated with light of wave-length 3900 \AA. What will be the maximum energy, in electron volts, of the electrons emitted from the surface?

category

physics

options

  1. 1.27eV
  2. 1.40eV
  3. 1.20eV
  4. 1.45eV
  5. 1.50eV
  6. 1.10eV
  7. 1.35eV
  8. 1.30eV
  9. 1.25eV
  10. 1.15eV

src

stemez-Physics

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