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Pithy optics question

  1. Apr 1, 2009 #1
    Does a shadow in a vacuum possess a distinct edge, or does the intensity at the edge taper over an area proportional to the wavelength of light being obstructed?
  2. jcsd
  3. Apr 1, 2009 #2


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  4. Apr 1, 2009 #3
    Perfect. Thanks so much
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