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classes:2009:fall:phys4101.001:q_a_1002 [2009/10/04 06:04] – ykclasses:2009:fall:phys4101.001:q_a_1002 [2009/10/04 06:12] (current) – yk
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-====John Galt====+====John Galt 9/28 18:06====
  
 What sections is the quiz covering again?  What sections is the quiz covering again? 
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 I believe it is just up to and including section 2.3. I believe it is just up to and including section 2.3.
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 ====poit0009 9/30 16:20==== ====poit0009 9/30 16:20====
  
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 You can find <math>\psi_1</math> first and go from there.  You'll just have to keep track of the <math>\frac{1}{\sqrt{n}}</math> terms. You can find <math>\psi_1</math> first and go from there.  You'll just have to keep track of the <math>\frac{1}{\sqrt{n}}</math> terms.
  
-=== Andromeda ===+=== Andromeda 09/30 19:33 ===
 you can do it both ways. you can operate on <math>\psi_0</math> once and get <math>\psi_1</math> and operate on <math>\psi_1</math> to get <math>\psi_2</math> or you can use (a+)^2 (which expands to give you 4 terms) and operate on <math>\psi_0</math>.  you can do it both ways. you can operate on <math>\psi_0</math> once and get <math>\psi_1</math> and operate on <math>\psi_1</math> to get <math>\psi_2</math> or you can use (a+)^2 (which expands to give you 4 terms) and operate on <math>\psi_0</math>. 
 ====poit0009 10/1 10:27==== ====poit0009 10/1 10:27====
  
 Back for another question.  How do we find the probability of getting a specific energy (last problem of the practice quiz)? Back for another question.  How do we find the probability of getting a specific energy (last problem of the practice quiz)?
-===Andromeda===+===Andromeda 10/1 11:54===
 The probability of finding the particle to have the energy corresponding to a specific state is <math>C_n^2</math>.   The probability of finding the particle to have the energy corresponding to a specific state is <math>C_n^2</math>.  
 ===Hydra 10/1 3:50pm=== ===Hydra 10/1 3:50pm===
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 Thank you.  That was my first inclination, but I thought it was asking for something more complex. Thank you.  That was my first inclination, but I thought it was asking for something more complex.
  
-====Andromeda====+====Andromeda 10/1 12:28====
 Where is the square root of one comes from when calculating <x> in problem 2.13 in the solution?  Where is the square root of one comes from when calculating <x> in problem 2.13 in the solution? 
 ===Hydra 10/1  4pm=== ===Hydra 10/1  4pm===
classes/2009/fall/phys4101.001/q_a_1002.1254654252.txt.gz · Last modified: 2009/10/04 06:04 by yk

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