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Title: Body Waves and Ray Theory - PowerPoint PPT Presentation
Description: Wavefronts, Huygens principle, Fermat's principle, Snell's Law. Rays ... Huygens principle states that each point on the wavefront serves as a secondary source. ... – PowerPoint PPT presentation
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PPT URL: https://www.geophysik.uni-muenchen.de/~igel/Lectures/Sedi/sedi_ray.ppt
