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Magification physics problem

  1. May 13, 2009 #1
    1. The fine print in a contract that you want to read is 1 mm tall. You have a magnifier with a focal length of 6 cm. Where must you hold the magnifier so that the image appears to be 1 cm tall. Where is the image located

    2. m= -di/do

    3. using the equation given above i tried to use the equation hi/ho= di/do but no value for dO is given which means i cant use the equation

    help would be appericiated
  2. jcsd
  3. May 14, 2009 #2


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    Homework Helper

    Re: Magification

    Using this equation hi/ho= di/do find di in terms of do. ho and hi. Use the formula which related the f, do and di to get the required answer.
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