Recent content by vickilcw

  1. V

    Lenses~focal length, object & image distance

    1)Question: The focal length of a convex lens is 16cm. Where must be an object be placed so that the image formed by the lens is a)real and twice as large b)virtual and twice as large 2)Related equation: i)magnification=(height of image) over (height of object)...
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    Renewable Resources: Comparing Differences

    what are the differences between renewable resources and renewable resources?