1. Jan 16, 2015 #1

   oreo

   

   When a pulse of light enters a denser medium(slow medium) then is there phase shift or rather it passes unshifted?

    

   oreo, Jan 16, 2015
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3. Jan 16, 2015 #2

   phinds

   

   Insights Author

   Gold Member

   Interesting question. I can't give an answer other than my opinion which is that it does not ... it just slows down a bit. To me, it seems as though a phase shift as it enters the medium would imply a discontinuity and I can't see that happening.

    

   phinds, Jan 16, 2015
4. Jan 16, 2015 #3

   Doc Al

   

   Staff: Mentor

   There is no phase shift of the transmitted pulse. (There will be a phase shift of the reflected pulse.)

    

   Doc Al, Jan 16, 2015

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