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Object magnification after Convex surface

  1. Dec 9, 2005 #1
    I have an object that is surrounded by air and sits a distance U=30 from a convex surface. The convex surface has a radius of R=5. The index of refraction of the refracting media is n=1.33. How do I determine the magnification of the object?
     
  2. jcsd
  3. Dec 10, 2005 #2

    siddharth

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    I think, if you find out where the object falls after refraction using the lens maker forumla([itex]R_2 = \infty [/itex]), you can calculate the magnification using some simple geometry
    http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/lenmak.html" [Broken]
     
    Last edited by a moderator: May 2, 2017
  4. Dec 10, 2005 #3
    It is not a thin lense. It is a convex interface between two materials.
     
  5. Dec 10, 2005 #4

    siddharth

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    My mistake then.
    The general equation of refraction at a spherical surface will be

    [tex] \frac{\mu_2}{v} - \frac{\mu_1}{u}=\frac{\mu_2 - \mu_1}{R} [/itex]
     
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