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8 Comments

  1. I’m not sure what this animation is showing. The wavefronts are discontinuous across the boundary and the refracted direction seems to be arbitrary. Am I looking at it the wrong way?

  2. It will only take a straight line in the same medium. That’s the fastest path.

    But when there’s multiple mediums, with different indices of refraction, the light ray will always bend. (Unless the observer and a the light source is perpendicular to the normal of the medium)

    If both mediums are only 1 meter the bending will become less obvious.. just like there’s also tides on a glass of water just it’s impossible to see

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