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Reflected light

  1. Nov 21, 2005 #1
    I have been reading Feynmanns 'QED' and am trying to understand what happens when light is reflected from a surface. I would be grateful if someone could answer the following question. I am not sure which of these views (if any) is correct.
    1) When light is reflected from a surface a photon bounces of that surface
    2) When light is reflected from a surface a photon is absorbed and another is emitted
    3) It is not meaningful to talk about the path of individual photons , they can only be said to exist at the point of detection by some instrument.
     
  2. jcsd
  3. Nov 21, 2005 #2

    Danger

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    Gold Member

    #2 is correct.
     
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