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Help needed with the lens calculation!!

  1. Feb 10, 2017 #1
    Calculate the height of the image of the stamp.



    2. The required equation is noted in the photo.
    1/u + 1/v = 1/f



    3. The attempt at a solution.
    I'm clueless !
    IMG-20170209-WA0114.jpg

     
  2. jcsd
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