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Homework Help: Spectrum Lines

  1. Feb 25, 2009 #1
    I know there are many ways to identify the spectra but,

    what are the advantages and disadvantages of using the first and second order lines to identify spectra?

    Please Help!!!

    If u don't want give me answer then suggest me some links.

  2. jcsd
  3. Feb 25, 2009 #2
    any help?
  4. Feb 26, 2009 #3
    someone help please..........only hours left to turn in!!!!!
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