Low magnitude earthquakes occur in the Earth every day. As these waves travel through the Earth, they encounter different rock bodies with different densities. The resulting changes in the waves help scientists determine the internal structure of the Earth. Suppose one such wave travels into a less dense region that causes the wave to slow down. If the frequency of the wave remains the same, what other change must occur as well? a. The wavelength of the wave decreases. b. The velocity of the wave increases. c. The amplitude of the wave decreases. d. The medium of the wave remains the same.
Low magnitude earthquakes occur in the Earth every day. As these waves travel through the Earth, they encounter different rock bodies with different densities. The resulting changes in the waves help scientists determine the internal structure of the Earth. Suppose one such wave travels into a less dense region that causes the wave to slow down. If the frequency of the wave remains the same, what other change must occur as well? a. The wavelength of the wave decreases. b. The velocity of the wave increases. c. The amplitude of the wave decreases. d. The medium of the wave remains the same.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Low magnitude earthquakes occur in the Earth every day. As these waves travel through the Earth, they encounter different rock bodies with different densities. The resulting changes in the waves help scientists determine the internal structure of the Earth. Suppose one such wave travels into a less dense region that causes the wave to slow down.
If the frequency of the wave remains the same, what other change must occur as well?
a. The wavelength of the wave decreases.
b. The velocity of the wave increases.
c. The amplitude of the wave decreases.
d. The medium of the wave remains the same.
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