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MMLU-Pro / 9794 / What will be the maximum kinetic energy of the photoelectrons ejected from…

Problem

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question

What will be the maximum kinetic energy of the photoelectrons ejected from magnesium (for which the work function \varphi = 3.7eV) when irradiated by ultraviolet light of frequency 1.5 × 10^15 sec^-1 ?

category

physics

options

  1. 3.7eV
  2. 0.5eV
  3. 1.5eV
  4. 6.3eV
  5. 1.0eV
  6. 3.0eV
  7. 4.2eV
  8. 7.1eV
  9. 5.0eV
  10. 2.5eV

src

stemez-Physics

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