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B Hydrogen Transitions Quick Question

  1. Apr 25, 2017 #1
    Hello everyone!

    I have a question about the possible transitions for a hydrogen atom from an excited state back to the ground state.

    Lets say that a H atom is in the n = 4 excited state, what are the possible transitions back to n = 1?

    I thought the answer was:
    4 -> 3
    4 -> 2
    4 -> 1
    but then I guess we need to include:
    3->2
    3->1
    2->1

    si?

    cheers,

    Nick
     
  2. jcsd
  3. Apr 25, 2017 #2

    DrClaude

    User Avatar

    Staff: Mentor

    But the first and second possibilities you listed there don't end in n = 1. So yes, you have to include all "cascading" transitions.
     
  4. Apr 25, 2017 #3
    sweet, thank you
     
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