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MMLU-Pro / 4522 / The threshold wavelength for potassium metal is 564 mathrm{~nm}. What is its…

Problem

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

question

The threshold wavelength for potassium metal is $564 \mathrm{~nm}$. What is its work function?
Plain-text mathematical notation (without MathML)
The threshold wavelength for potassium metal is $564 \mathrm{~nm}$. What is its work function? 
Original LaTeX notation
The threshold wavelength for potassium metal is $564 \mathrm{~nm}$. What is its work function? 

category

chemistry

options

  1. 4.65$10^{-19} \mathrm{~J}$
  2. 2.78$10^{-19} \mathrm{~J}$
  3. 5.00$10^{-19} \mathrm{~J}$
  4. 2.21$10^{-19} \mathrm{~J}$
  5. 3.01$10^{-19} \mathrm{~J}$
  6. 3.52$10^{-19} \mathrm{~J}$
  7. 3.98$10^{-19} \mathrm{~J}$
  8. 2.50$10^{-19} \mathrm{~J}$
  9. 1.67$10^{-19} \mathrm{~J}$
  10. 4.20$10^{-19} \mathrm{~J}$

src

scibench-chemmc

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Source and history

Official source

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