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Author Question: A metallic surface has a work function of 2.50 eV. What is the longest wavelength that will eject ... (Read 72 times)

Sufayan.ah

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A metallic surface has a work function of 2.50 eV. What is the longest wavelength that will eject electrons from the surface of this metal?
 
  What will be an ideal response?

Question 2

Assume a proton in a 1-dim box of width 3.0 fm is in its 1 st excited state.
 
  (a) What is its kinetic energy (in eV)?
  (b) How close (fm) to the wall of the box is the probability density a maximum?



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jsm54321

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Answer to Question 1

497. nm

Answer to Question 2

(a) 91. MeV
(b) 0.75 fm





 

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