Terms in this set (180)
A cyclical Transfer of energy
What is a wave?
What kind of wave is a sound A mechanical longitudinal wave
wave?
Constructive, Destructive and Partial
What are the types of
interference?
What is the Classification of 20 mhz-200Hz
Ultrasound?
What is the classification of 12mhz-2mhz
Diagnostic Ultrasound?
1,540 mhz
What is the propagation speed in
1.54 m/msec
soft tissue?
154,000 cm/sec
Compression and Rarefaction
A Longitudinal wave propagates
by a series of ________ and
back and forth in the
same direction as the wave
propagates.
What are the acoustic variables of Pressure, Density, Temperature and particle motion
wave propagation?
Equation for the frequency of the f=1/p
wave?
Frequency and period are are The source
determined by what?
What is the propagation velocity
equation?
If the Density increases what The Bulk Modulus increases and the Propagation increases
happens to the Bulk modulus
and propagation
velocity?
, If the density of the medium The bulk modulus decreases and the propagation decreases
decreases what happens to
the Bulk modulus and
propagation velocity?
Stiffness is the same as what? Bulk Modulus
Stiffness and compressibility are Inversely
__________ related
What is the equation for the wavelength= c/f
wavelength?
Maximum variation of a variable from its mean
What is the amplitude?
Max-
Min
What are the equations for the
amplitude? Mean-
Min
Max-mi
n/2
Power is proportional to the Amplitude Squared
amplitude
_______.
What is the definition of intensity? I=Power/Area