Dms 104 Final Prep Fall 2026 Questions With Complete
Solutions
.001cm = ____mm Correct Answers 0.01mm
.05 cm/ms is equal to: Correct Answers 500 mm/s
0.00000092 expressed in scientific notation would be 9.2 x 10-7
T or F Correct Answers True
0.00000092 expressed in scientific notation would be 9.2 x 107
Tor F Correct Answers False
0.00018s is equal to: Correct Answers 180 us
0.0015m is equal to ____ mm Correct Answers 1.5mm
0.003 m/s is equal to: Correct Answers 0.003 mm/ms
0.005 m/s is equal to _______, can have many different
variables.
T/f Correct Answers T
10 to the power of negative 2 is equal to: Correct Answers .01
1000 m/s = _____cm/ms Correct Answers 100
2 x 10^4)/(8 x 10^7) is equal to____(express in scientific
notation): Correct Answers 2.5 x 10^-4
2MHz = 20,000kHz
,T or F Correct Answers False
3m = _____mm Correct Answers 3000mm
4 m/s is equal to which of the following? Correct Answers 400
cm/s and 4000 mm/s
400 ms is equal to_____s Correct Answers .4s
4MHz = 4000kHz
T or F Correct Answers True
5 MHz denotes Correct Answers 5 million cycles per second
5.63 x 10^-1is equal to 0.563. T/f Correct Answers True
5MHz denotes: Correct Answers 5 million cycles per second
6.24 mm = ? m Correct Answers .00624m
A 10MHz wave will propagate through soft tissue 5 times faster
than a 2MHz wave
T/f Correct Answers False
A decibel (dB) describes: Correct Answers Ratio of two sound
intensities
A decrease in amplitude by a factor 10 is equal to: Correct
Answers -20 dB
, A decreased beam width results in increase Q value. Correct
Answers False
A fraction written relative to 100 Correct Answers Percent
A longer pulse duration leads to a wider bandwidth.
T/f Correct Answers False
A medium that has a low compressibility has a ______ bulk
modulus Correct Answers Higher
A natural property of soundwaves to spread out the further they
travel from the source is known as: Correct Answers Diffraction
A negative Doppler shift is caused by motion towards the
observer
T/f Correct Answers False
A pair of waves are in phase. If these wave interfere with each
other, what will occur? Correct Answers Constructive
interference
A positive Doppler shift is caused by motion _____ the
observer. Correct Answers Toward
A waveform transfers ______ from one point in space to another
point in space. Correct Answers Energy
A waveform transfers ______ from one point to another point.
Correct Answers Energy
Solutions
.001cm = ____mm Correct Answers 0.01mm
.05 cm/ms is equal to: Correct Answers 500 mm/s
0.00000092 expressed in scientific notation would be 9.2 x 10-7
T or F Correct Answers True
0.00000092 expressed in scientific notation would be 9.2 x 107
Tor F Correct Answers False
0.00018s is equal to: Correct Answers 180 us
0.0015m is equal to ____ mm Correct Answers 1.5mm
0.003 m/s is equal to: Correct Answers 0.003 mm/ms
0.005 m/s is equal to _______, can have many different
variables.
T/f Correct Answers T
10 to the power of negative 2 is equal to: Correct Answers .01
1000 m/s = _____cm/ms Correct Answers 100
2 x 10^4)/(8 x 10^7) is equal to____(express in scientific
notation): Correct Answers 2.5 x 10^-4
2MHz = 20,000kHz
,T or F Correct Answers False
3m = _____mm Correct Answers 3000mm
4 m/s is equal to which of the following? Correct Answers 400
cm/s and 4000 mm/s
400 ms is equal to_____s Correct Answers .4s
4MHz = 4000kHz
T or F Correct Answers True
5 MHz denotes Correct Answers 5 million cycles per second
5.63 x 10^-1is equal to 0.563. T/f Correct Answers True
5MHz denotes: Correct Answers 5 million cycles per second
6.24 mm = ? m Correct Answers .00624m
A 10MHz wave will propagate through soft tissue 5 times faster
than a 2MHz wave
T/f Correct Answers False
A decibel (dB) describes: Correct Answers Ratio of two sound
intensities
A decrease in amplitude by a factor 10 is equal to: Correct
Answers -20 dB
, A decreased beam width results in increase Q value. Correct
Answers False
A fraction written relative to 100 Correct Answers Percent
A longer pulse duration leads to a wider bandwidth.
T/f Correct Answers False
A medium that has a low compressibility has a ______ bulk
modulus Correct Answers Higher
A natural property of soundwaves to spread out the further they
travel from the source is known as: Correct Answers Diffraction
A negative Doppler shift is caused by motion towards the
observer
T/f Correct Answers False
A pair of waves are in phase. If these wave interfere with each
other, what will occur? Correct Answers Constructive
interference
A positive Doppler shift is caused by motion _____ the
observer. Correct Answers Toward
A waveform transfers ______ from one point in space to another
point in space. Correct Answers Energy
A waveform transfers ______ from one point to another point.
Correct Answers Energy
