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Homework Help: Question about diagram and rays

  1. Apr 6, 2013 #1
    1. The problem statement, all variables and given/known data

    Draw the ray diagrams for a pencil sitting on the principal axis behind and in front of the focal
    point of a converging lens. Describe the image. Do the same for a pencil sitting on the parallel
    axis behind and in front of the focal point of a diverging lens.
  2. jcsd
  3. Apr 6, 2013 #2
    Have you attempted to do anything? What are you asking? Just do what the problem says! Draw the picture!
  4. Apr 6, 2013 #3
    i dont know how to draw the picture
  5. Apr 6, 2013 #4
    Think about what the light will do. There is not much else I can do to explain. Draw the lenses and the ray diagrams without the pencil there, then add a pencil. As for ray diagrams, google it and view some of the images that pop up.

    Better yet, just think about it first. I mean, you should get an idea of what will happen.
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