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Homework Help: Ray Optics Question #2

  1. Jan 27, 2010 #1
    1. The problem statement, all variables and given/known data
    A 2.0--cm tall object is placed in front of a mirror. A 1.0--cm tall upright image is formed behind the mirror, 165 cm from the object.

    What is the focal length of the mirror?

    2. Relevant equations

    3. The attempt at a solution
    I tried 37 cm, it was incorrect
  2. jcsd
  3. Jan 28, 2010 #2


    User Avatar

    Staff: Mentor

    Why did you try 37? What equations are you using?
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