In a transverse wave, the medium displacement is perpendicular to the direction of propagation of the wave.
1. In a transverse wave that travels through a medium, the molecules of the medium vibrate
A. at right angles to the direction in which the wave travels.
B. with smaller amplitudes than the molecules in a longitudinal wave.
C. at twice the velocity of the molecules in a longitudinal wave.
D. in the direction in which the wave travels.
2. A sound that's produced by a single wave at a constant frequency and with no overtones is called
A. a discordant sound.
B. an average sound.
C. a mellow sound.
D. a pure sound.
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