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Physics 2

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A converging lens with a focal length of 19 cm is used to form an image on a screen that is 3.3 m to the right the lens. Where must the object be placed?

____m to the left of the lens?

  • Physics 2 -

    Have you seen an equation that looks something like

    1/Do + I/Df = 1/f ?

    Well, you have now.

    Di = image distance = 3.3 m
    f = focal length = 0.19 m

    Solve for Do (object distance) in meters

    The object is close to the focal point. You have a highly magnified image

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