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They bend at the interface between two media.
Refraction is the change in direction of a wave when it reaches a boundary between two media due to traveling at different speeds in each medium.
That happens right at the "interface" or "boundary" ... the exact place where the two media meet, and it's a different one on each side of that point.
surface waves
The direction of the wave changes if its speed is different in the two media.
Reflection occurs when seismic wave bounces backward as it reaches a boundary. It refers to the change in direction of a wave front at an interface between two different media.
They bend at the interface between two media.
Refraction is the change in direction of a wave when it reaches a boundary between two media due to traveling at different speeds in each medium.
surface wave
It gets refracted so that its direction of propagation is the boundary line.
I, II, and III <3
That happens right at the "interface" or "boundary" ... the exact place where the two media meet, and it's a different one on each side of that point.
Surface Waves
surface waves
surface waves
Refraction.
surface waves