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Eigenfunction/Eigenvalue question

  1. Jul 10, 2015 #1
    Hey all,

    So I was watching an MIT OCW video on intro QM and came across this 'clicker' question. (Shows up at 4:45)


    Apparently the correct answer is B, but C looks valid to me as well. Could someone explain why C is incorrect?

    Thanks
     
  2. jcsd
  3. Jul 10, 2015 #2
    Work it out with pencil and paper carefully, and you'll see that there are only two combinations that work.
     
  4. Jul 10, 2015 #3
    Oh wow, I seriously misread the question... Thank you. This thread should be closed probably.
     
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