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Homework Help: Convex miror's image distance

  1. Mar 28, 2010 #1
    1. The problem statement, all variables and given/known data

    An object is placed 32.7 cm from the reflecting surface of a convex mirror having a focal length of -10.8 cm. Determine the image distance.

    2. Relevant equations

    IDK

    3. The attempt at a solution
    Could someone please tell me what equation I should use? Thanks!
     
  2. jcsd
  3. Mar 29, 2010 #2
    Object-image relation:

    1/s + 1/s' = 1/f

    where

    s = object distance
    s' = image distance
    f = focal length
     
  4. Mar 29, 2010 #3
    Thank you!
     
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