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MMLU-Pro / 10244 / The photoelectric work functions for several metals are listed below. Calculate…

Problem

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question

The photoelectric work functions for several metals are listed below. Calculate the threshold wavelengths for each metal. Which metals will not emit photoelectrons when illuminated with visible light? W- (Joules) Cs 3.2 × 10^-19 Cu 6.4 ×10^-19 K 3.6 ×10^-19 Zn 5.8 ×10^-19

category

physics

options

  1. K and Cu
  2. Cs and Cu
  3. All metals listed
  4. Cs and K
  5. W and Zn
  6. W and Cs
  7. None of the metals listed
  8. Cu and Zn
  9. K and Zn
  10. W and K

src

stemez-Physics

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