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Bending of light

  1. Apr 27, 2015 #1
    why light waves do not bend at normal incidence?
  2. jcsd
  3. Apr 27, 2015 #2


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    Because all of the light's wavefront enters the medium at the same time.
  4. Apr 27, 2015 #3


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    Which direction would it bend towards?
  5. Apr 27, 2015 #4


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    That is for isotropic medium. When the medium is of anisotropic type, direction change can occur even in normal incidence.
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