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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 137 times)

Sufayan.ah

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

497. nm

Answer to Question 2

(a) 91. MeV
(b) 0.75 fm


Sufayan.ah

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Reply #2 on: Jul 27, 2018
TY


jsm54321

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Reply #3 on: Jul 27, 2018
You're welcome


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