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Light in CD readers

  1. Apr 13, 2009 #1
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 13, 2009 #2
    have you tried thinking about the conditions necessary for interference?? that might help =]
  4. Apr 13, 2009 #3
    ^ - destructive interference especially
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