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Derivation of Gaussian formula forom particular situation

  1. Oct 2, 2012 #1
    1. The problem statement, all variables and given/known data

    We are to derive the Gaussian formula for a case with a virtual object, a virtual image, and a concave surface.


    2. Relevant equations

    Snell's law, n(sin(phi)) = n'(sin(phi'))
    geometry


    3. The attempt at a solution

    I can do a derivation for a situation with a point object placed to the left of a convex surface with a real image being formed, but I don't understand what it means to have a virtual object together with a virtual image, much less for a concave surface.
     
  2. jcsd
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