Chapter 2 Flashcards
1
Q
Acoustic Propagation Properties
A
the effects that the medium/media or tissue has on the sound wave
2
Q
Biologic Effects
A
the effects of a sound wave upon the biologic tissue or medium
3
Q
Rarefaction
A
particles stretched apart
4
Q
Compression
A
particles squeezed together
5
Q
Acoustic Variables
A
Pressure
Density
Distance
6
Q
Pressure
A
concentration of force in an area
units: Pascals (Pa)
7
Q
Density
A
concentration of mass in a volume
units: kg/cm^3
8
Q
Distance
A
measure of particle motion
units: cm, mm
9
Q
Interference
A
waves combine
10
Q
Constructive Interference
A
in-phase waves combine and result in a single wave of greater amplitude
11
Q
Destructive Interference
A
out-of-phase waves combine and result in a single wave of lesser amplitude (or no wave)