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Astrophysics uses wave optics or geometrical optics?

  1. Jul 30, 2015 #1
    I know Astrophysics uses concepts like relativity etc. But I want to know does it uses wave optics or geometrical optics? The phenomenon of light,wave optics(reflection,refraction,polarization,diffraction and interference) that we see everyday, is used in Astrophysics? Or does it uses geometrical optics(which only includes reflection and refraction) ?
  2. jcsd
  3. Jul 30, 2015 #2
    Most fields use both ray optics and wave optics depending on context.
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