Refraction: Difference between revisions

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[[File:Refractionn.jpg|thumb|refraction at the surface of water]].
|File:Angle of incidence Refraction example.jpg|Refraction at a steep angle of incidence
|File:Aorta duplication artifact 131206105958250c.jpg|Double aorta artefactartifact in sonography due to difference in velocity of sound in muscle and fat.
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