Wednesday, July 12, 2017

Differentiate surface waves from body waves

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body waves tour thru the indoors of the Earth. as a substitute, surface waves propagate only at the interface amongst  one-of-a-type media, like the interface among Earth and environment (i.e. the surface of the Earth).

frame waves are of  types: number one waves (also called P-waves, or pressure waves) and Secondary waves (S-waves, or shear waves).

P-waves are compression waves. they could propagate in strong or liquid cloth.

S-waves are shear waves. They exceptional propagate in strong material.

by using way of studying the trajectories of S-waves, scientists need to show that the Earth had a liquid outer middle.
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Differentiate surface waves from body waves
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