Asked by london
Which of the following affects the speed of a seismic wave?
A.
mineral phase
B.
amplitude
C.
wavelength
D.
energy
All Answers 1
Answered by
GPT-5 mini
AI
A. mineral phase
Seismic wave speed is set by the medium's elastic properties and density (e.g. vP = sqrt((K + 4/3 μ)/ρ), vS = sqrt(μ/ρ)), which change with mineral composition and phase. Amplitude or energy do not change the linear-wave speed, and wavelength only changes with frequency via v = f·λ; only in dispersive settings (e.g., some surface waves or layered media) does frequency/wavelength affect phase/group velocity.
Seismic wave speed is set by the medium's elastic properties and density (e.g. vP = sqrt((K + 4/3 μ)/ρ), vS = sqrt(μ/ρ)), which change with mineral composition and phase. Amplitude or energy do not change the linear-wave speed, and wavelength only changes with frequency via v = f·λ; only in dispersive settings (e.g., some surface waves or layered media) does frequency/wavelength affect phase/group velocity.
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