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Homework Help: Image Formed by Diverging Lens

  1. Dec 15, 2006 #1
    1. The problem statement, all variables and given/known data

    2. An object is placed two focal lengths from a
    diverging lens.
    What type of image forms?
    What is the magnification?
    Where is the image?

    2. Relevant equations

    1/f = (n-1)(1/r1-1/r2)

    3. The attempt at a solution

    a) Virtual Image

    b) m = 1

    c) the image is on the same side as the object with d_i = -2f
  2. jcsd
  3. Dec 15, 2006 #2

    Doc Al

    User Avatar

    Staff: Mentor

    That's the "Lens Maker's formula"; what you need is the "Thin Lens formula". (Look it up!)
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