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Homework Help: Help with concave mirror question

  1. Sep 20, 2006 #1
    here's the question asked:

    Find the two locations where an object can be placed in front of a concave mirror with a radius of curvature of 36 cm such that its image is five times its size. In each of these cases, state whether the image is real or virtual, upright or inverted.

    1. i have to find the location of the closer and farther position

    ( not sure what to put for each )

    2. whether the closer and farther position are real or virtual

    my answer: closer = virtual ; farther = real

    3. whether the closer and farther position are upright or inverted

    my answer: closer = upright ; farther = inverted

    i got part 2 & 3.. just need help with part 1. thanks...
  2. jcsd
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