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Which seismic wave refracts and cannot penetrate the core
Which seismic wave refracts and cannot penetrate the core
Answer: P wavesandS wavestravel through the interior of the earth. P waves are thePrimary wavesand S waves are theSecondary waves.P waves can travel inboth solid as well as in liquid(outer core) whereas S wave can travel only through solid. When P waves enters the outer core, it gets deviated and again enters the outer core with further deviation.In case of S waves, once it reaches the core-mantle boundary, it reflects to the side of it, forming a shadow zone commonly known as theSwave shadow zone (103°-103°). Thus it cannot penetrate through the outer core....
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