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Wavelength of sodium light

  1. Apr 5, 2010 #1

    kmp

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    why sodium has two lines D1 and D2 ?
     
  2. jcsd
  3. Apr 5, 2010 #2

    ZapperZ

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  4. Apr 5, 2010 #3

    kmp

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    it may be due to transition between s1/2 and p3/2, p1/2 and p3/2 states
     
  5. Apr 5, 2010 #4
    Those are transitions from two fine levels.
    That's [tex]^2P_{1/2} \to ^2S[/tex] and [tex]^2P_{3/2} \to ^2S[/tex] :smile:
     
  6. Apr 5, 2010 #5

    Redbelly98

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