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Reflection of spherical wave from plane

  1. Jul 3, 2009 #1
    Problem statement.

    A spherical wave (from a point source) reflects from a planar surface. Draw a ray diagram and sketch some wavefronts for the reflected wave.

    Attempt

    It is easy to sketch some wavefronts for the reflected waves; however, how is it possible to draw a ray diagram for this? I have only done ray diagrams for reflections from mirrors into a person's eyes.
     
  2. jcsd
  3. Jul 4, 2009 #2

    Lok

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    The same as for the eye case only that this time the rays converge at their source and diverge ( do not take these words literally) away. Use a point source on a peace of paper draw rays around it than place a line which represents the planar surface. The rest is quite intuitive.
     
  4. Jul 5, 2009 #3

    Redbelly98

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    Staff Emeritus
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    Welcome to PF :smile:

    Look up the Law of Reflection, that is the key here.
     
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