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Magnification of object in the mirror

  1. Nov 27, 2006 #1
    An object is moved along the central axis of a spherical mirror while the lateral magnification m of it is measured. Figure 34-32 gives m versus object distance p for a range of p. What is the magnification of the object when the object is 36 cm from the mirror?
    I understand that m=-i/p but we don't have i so I looked at the graph and i changes exponetially???

    some points on the graph (4,1.75) i=7
    (5,2) i=10
    (6,2.5) i=15
    (7,3.125) i=21.9
    I don't see where this is going
     

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  2. jcsd
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