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MMLU-Pro / 9843 / Photoelectrons may be emitted from sodium (phi = 2.36 eV) even for light…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Photoelectrons may be emitted from sodium (phi = 2.36 eV) even for light intensities as low as 10^-8 W/m^2. Calculate classically how much time (in seconds) the light must shine to produce a photoelectron of kinetic energy 1.00 eV. Return the numeric value.

category

physics

options

  1. 463000000.0
  2. 555000000.0
  3. 530000000.0
  4. 350000000.0
  5. 520000000.0
  6. 290000000.0
  7. 750000000.0
  8. 600000000.0
  9. 675000000.0
  10. 410000000.0

src

theoremQA-Physics

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