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Refracting Surface Image Location

  1. May 1, 2010 #1
    1. The problem statement, all variables and given/known data
    One end of a long glass rod (n = 1.60) has the shape of a convex surface of radius 12.0 cm. An object is positioned in air along the axis of the rod in front of the convex surface. Find the image position that corresponds to each of the following object positions:

    8.00cm, 4.00cm, 2.00cm


    2. Relevant equations

    Please help! I have struggled with this problem for hours and can't get the right answer.

    Thanks!



    3. The attempt at a solution
    I am using the following formula:

    n2/p + n1/q = (n1-n2)/R

    Where
    n2=1.00
    n1=1.60
    R=12cm
    p= 8,4 or 2cm

    I am observing the proper sign conventions (I believe) and still cannot get the correct answer.

    Also,I have attached a rough image of what I believe the problem is describing. If my diagram is incorrect please let me know.
     

    Attached Files:

  2. jcsd
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