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Relationship between say an opening and the wavelength

  1. Jan 6, 2007 #1
    I just have a basic question about waves and diffraction because i am not really clear on that part.

    What is the relationship between say an opening and the wavelength. For example i am not sure if there is a smaller opening with a large wavelegnth, will a lot of diffraction occur.
  2. jcsd
  3. Jan 7, 2007 #2
    With my limited knowledge I can tell you this much: longer wavelengths cause more diffraction. This is why AM often works better around hills and such than FM--AM has longer wavelength. As for the size of the hole, I don't know for sure but I think that that is not very important--don't trust me for sure though.
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