physics

lenses that always diverge light rays that strike them

is that convex or concave? I am not sure.

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  1. Since this is not my area of expertise, I searched Google under the key words "convex concave lens" to get these possible sources:

    http://en.wikipedia.org/wiki/Lens_(optics)
    http://www.lessonplanspage.com/ScienceConvexConcaveLenses69.htm
    http://camillasenior.homestead.com/optics4.html

    In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.

    I hope this helps. Thanks for asking.

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