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Author Question: An 80 eV electron impinges upon a potential barrier 100 eV high and 0.2 nm thick. What is the ... (Read 31 times)

jerry coleman

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An 80 eV electron impinges upon a potential barrier 100 eV high and 0.2 nm thick. What is the probability the electron will tunnel through the barrier?
 
  A)
 
  10
  B)
 
  1.0
  C)
 
  0.10
  D)
 
  1.1 x 10-4  
  E)
 
  7.7 x 10-10

Question 2

According to the selection rules, which of the following transitions is not allowed?
 
  A)
 
  n = 3,  = 2 to n = 2,  = 1
  B)
 
  n = 4,  = 3 to n = 3,  = 2
  C)
 
  n = 3,  = 1 to n = 1,  = 0
  D)
 
  n = 2,  = 1 to n = 1,  = 0
  E)
 
  n = 4,  = 2 to n = 3,  = 2



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Hikerman221

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Answer to Question 1

D

Answer to Question 2

E




jerry coleman

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Reply 2 on: Jul 29, 2018
Wow, this really help


patma1981

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Reply 3 on: Yesterday
Gracias!

 

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