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    4. A ray of light entering the second medium perpendicularly through the surface of separation shows no change of direction why?
    A ray of light entering the second medium perpendicularly through the surface of separation shows no change of direction why?

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    0  Views: 1398 Answers: 1 Posted: 12 years ago
    Tags: reasoning
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      1 Answer

      When a light ray travels from one medium to another, part of the
      incident light is reflected and part of the light is transmitted at the
      boundary between the two media. Pay attention to the angles of
      incidence, reflection, and refraction .


      Read and learn  > http://physics.berea.edu/~lahamer/Summary%20Lecture%201.pdf

      12 years ago. Rating: 5
      Comment this answer

        Bakh.R

        Here is definition and explanation i am asking about reason..!
        commented 12 years ago


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