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Relativity problem

  1. Apr 9, 2008 #1
    1. The problem statement, all variables and given/known data
    according to theory of relativity anything which travels at the speed of light, can't be slowed down at the speed lower than light speed.So, what happens when photon is absorbed by an electron?In this situation photon comes to rest. How it can be explained?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 9, 2008 #2

    Doc Al

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    Staff: Mentor

    Does it? :wink:
     
  4. Apr 9, 2008 #3

    clem

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    Science Advisor

    Who sez? Photons slow down in glass.
     
  5. Apr 9, 2008 #4

    Doc Al

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    Staff: Mentor

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