Must answer all the three questions. Otherwise i will dislike.
1. Why is the one-dimensional acoustic wave equation normally developed in terms of sound pressure?
A. None of the listed responses.
B. Sound pressure can be easily described by its mean-squared value.
C. Sound pressure is the easiest acoustic variable to measure, and all other acoustic variables can be calculated in terms of sound pressure.
D. Sound pressure normally has a higher amplitude than other acoustic variables that describe the propagation of sound.
2.Which of the three elements of the source-path-receiver model can an acoustician normally address when a sound problem exists?
A. Source
B. Receiver
C. None of the listed responses
D. Path
3.What properties of an elastic medium support the propagation of sound?
A. Inertia and Elasticity
B. Elasticity
C, Inertia
D. None of the listed responses.
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