(a) What are the amplitude ratios of the transmitted and reflected waves? (b) What fraction of the energy of the incident wave is transmitted into the lower medium?
(a) What are the amplitude ratios of the transmitted and reflected waves? (b) What fraction of the energy of the incident wave is transmitted into the lower medium?
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Transcribed Image Text:9. A plane seismic wave, travelling vertically downwards
in a rock of density 2200 kg m-3 with seismic velocity
2000 m s-1, is incident on the horizontal top surface
of a rock layer of density 2400 kg m-3 and seismic
velocity 3300 m s-1.
(a) What are the amplitude ratios of the transmitted
and reflected waves?
(b) What fraction of the energy of the incident wave
is transmitted into the lower medium?
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