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Homework Help: Ray optics

  1. Feb 15, 2009 #1
    1. The problem statement, all variables and given/known data
    A red ball is placed at point A in the figure. (Intro 1 figure) : figure attached

    How many images are seen by an observer at point O?

    Where is each image seen by an observer located?
    Enter your answers as an ordered pairs (x, y) separated with comma(s), where x and y are in meters. Assume the origin is at the corner of the mirror, +x axis is directed to the right, and +y axis is directed upward.

    2. Relevant equations

    3. The attempt at a solution

    i guess the answer of first question is 3
    but i donno how to do 2nd part

    Attached Files:

  2. jcsd
  3. Feb 16, 2009 #2


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    Science Advisor
    Homework Helper

    Hi rayhan619! :wink:

    Well, the object is at (-1,-2), so the three images are at … ? :smile:
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