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20 Nov 2021
Given information
Given values:
At the first medium, the P wave has a speed of km/s and an incident angle of . The angle of refraction is .
Formula used
According to the refraction law:
Where is the refraction angle.
The incidence angle is .
In the second medium, is the speed of the P wave.
Step-by-step explanation
Step 1.
At the epicenter of an earthquake in the earth's crust, a huge amount of energy is released, which is transferred through the crust as main waves, body waves, and secondary waves, or surface waves. Body waves are pressure waves that travel at a faster rate than transverse surface waves. At the boundary between two different mediums, seismic waves also vary from their straight-line travel.
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