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Flashcards in Chapter 2 Deck (16)
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1
Q

What kind of waves are sound waves?

A

Longitudinal

2
Q

What is the unit for pressure?

A

Pascals (Pa)

3
Q

What is the unit for density?

A

kg/cm^3

4
Q

What is the unit for the measure of particle motion?

A

cm, m

5
Q

What are the 7 Acoustic Parameters?

A

Period, Frequency, Amplitude, Power, Intensity, Wavelength, Propagation Speed

6
Q

Which direction do particles move in a transverse wave?

A

Perpendicular to the direction of propagation

7
Q

Which direction do particles move in a Longitudinal wave?

A

In the same direction as propagation

8
Q

What type of wave is a sound wave?

A

Longitudinal

9
Q

Multiple beams that arrive at the same location at the same time combine to form ___________.

A

Interference

10
Q

What happens when In-phase waves combine?

A
  • Constructive Interference

- Single wave with greater amplitude

11
Q

What happens when Out-of-phase waves combine?

A

Destructive Interference

12
Q

What happens when waves of different frequencies combine?

A

Constructive AND destructive interference

13
Q

What do waves transfer from one location to another?

A

Energy

14
Q

What is the best description for a sound wave?

A

A series of compressions and rarefactions

15
Q

Which wave parameter is heard as pitch?

A

Frequency

16
Q

Which wave parameter is heard as loudness?

A

Amplitude, Power, and Intensity