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Homework Help: Prisms and Images

  1. Sep 23, 2010 #1
    1. The problem statement, all variables and given/known data

    (2) For the combination of one prism and 2 lenses shown (Fig. 1), find the location and size of the final image when the object, length 1 cm, is located as shown in the figure. [Hint: Treat the prism as a mirror, but you have to take into account the image shift caused by the prism (equivalent to a glass plate of thickness 6 cm)]
    2. Relevant equations

    n1sin(theta_1)=n2sin(theta_2)
    1/f_effective=1/f1 +1/f2

    3. The attempt at a solution

    I don't really know how to approach this at all. Since I'm supposed to treat it like a mirror, I'm guessing that the light will be fully internally reflected. Then I would probably have to do snell's law for n1=glass and n2=air. Not really sure what the incident angles would be though. Any help would be greatly appreciated!!!
     

    Attached Files:

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