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Pinhole Camera

  1. Nov 22, 2011 #1
    I don't have any idea how to go about this........
    Please help!!:frown:

    A pinhole camera produces an image of an object kept at a distance of 100m from the pin hole. If the screen is 10 cm from the pin hole and the image is 5 cm high, what is the height of the object

    Any help will be appreciated :smile:

    Thank You!
     
  2. jcsd
  3. Nov 22, 2011 #2
    Draw the diagram and similar triangles will give you the answer.
     
  4. Nov 22, 2011 #3
    There is no diagram attached to the question :uhh:
     
  5. Nov 22, 2011 #4
    Try the web for a diagram.
     
  6. Nov 22, 2011 #5

    jtbell

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    Staff: Mentor

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