EDELMAN UNDERSTANDING ULTRASOUND
PHYSICS testbank Questions and Answers |
2026 Step-by-Step Review | A+ Verified
• 10^6 . Answer: mega (M), million
• 10^3 . Answer: kilo (k), thousand
• 10^-6 . Answer: micro (u), millionth
• 10^-3 . Answer: milli (m), thousandth
• What type of wave is sound? . Answer: mechanical and longitudinal wave
• compressed . Answer: molecules are squeezed together when sound travels through a
medium
• rarefied . Answer: molecules are stretched apart when sound travels through a
medium
• Acoustic propagation properties . Answer: the effects of the medium upon the sound
wave
• 3 acoustic variables . Answer: pressure,density, distance
• Acoustic Waves . Answer: sound waves
• pressure(Pa) . Answer: concentration of force in an area
• Density (kg/cm^3) . Answer: concentration of mass in a volume
• Distance (cm, feet, mile) . Answer: measure of particle motion
• 7 Acoustic Parameters . Answer: period, frequency, amplitude, power, intensity,
wavelength, propagation speed
• Transverse wave particles move.... . Answer: in a direction perpendicular to the
direction that the wave propagates
• Longitudinal wave particles move.... . Answer: in the same direction that the wave
propagates
• In-phase waves . Answer: when peaks occur at the same time & place; when troughs
occur at the same time & place
, • Out-of-phase waves . Answer: when the peaks and troughs of a pair of waves occur at
different times; they are "out of step"
• Peaks . Answer: maximum value of a wave
• Trough . Answer: minimum value of a wave
• Constructive Interference . Answer: interference of a pair of in phase waves
• Destructive Interference . Answer: interference of a pair of out of pause waves
• period . Answer: the TIME it takes a wave to vibrate a single cycle; the start of one
cycle to the start of the next cycle
• Frequency (Hz) . Answer: number of cycles that occurs in one second
• Period & Frequency are . Answer: Inversely related and reciprocals
• infrasound . Answer: <20Hz
• audible sound . Answer: 20Hz-20kHz
• ultrasound . Answer: >20kHz
• 3 bigness parameters . Answer: amplitude, power, intensity
• amplitude . Answer: Height of a wave
• Peak-to-peak amplitude . Answer: the difference between maximum and minimum
values of an acoustic variable
• Power . Answer: the rate at which work is done
• Power & Amplitude . Answer: power is proportional to amplitude squared
• Intensity . Answer: the concentration of energy in a sound beam
• intensity (W/cm^2) . Answer: power (w) / area (cm^2)
• Intensity & Power . Answer: directly related
• Intensity & Amplitude . Answer: Intensity is proportional to amplitude squared
• Wavelength . Answer: the distance or length on one complete cycle
PHYSICS testbank Questions and Answers |
2026 Step-by-Step Review | A+ Verified
• 10^6 . Answer: mega (M), million
• 10^3 . Answer: kilo (k), thousand
• 10^-6 . Answer: micro (u), millionth
• 10^-3 . Answer: milli (m), thousandth
• What type of wave is sound? . Answer: mechanical and longitudinal wave
• compressed . Answer: molecules are squeezed together when sound travels through a
medium
• rarefied . Answer: molecules are stretched apart when sound travels through a
medium
• Acoustic propagation properties . Answer: the effects of the medium upon the sound
wave
• 3 acoustic variables . Answer: pressure,density, distance
• Acoustic Waves . Answer: sound waves
• pressure(Pa) . Answer: concentration of force in an area
• Density (kg/cm^3) . Answer: concentration of mass in a volume
• Distance (cm, feet, mile) . Answer: measure of particle motion
• 7 Acoustic Parameters . Answer: period, frequency, amplitude, power, intensity,
wavelength, propagation speed
• Transverse wave particles move.... . Answer: in a direction perpendicular to the
direction that the wave propagates
• Longitudinal wave particles move.... . Answer: in the same direction that the wave
propagates
• In-phase waves . Answer: when peaks occur at the same time & place; when troughs
occur at the same time & place
, • Out-of-phase waves . Answer: when the peaks and troughs of a pair of waves occur at
different times; they are "out of step"
• Peaks . Answer: maximum value of a wave
• Trough . Answer: minimum value of a wave
• Constructive Interference . Answer: interference of a pair of in phase waves
• Destructive Interference . Answer: interference of a pair of out of pause waves
• period . Answer: the TIME it takes a wave to vibrate a single cycle; the start of one
cycle to the start of the next cycle
• Frequency (Hz) . Answer: number of cycles that occurs in one second
• Period & Frequency are . Answer: Inversely related and reciprocals
• infrasound . Answer: <20Hz
• audible sound . Answer: 20Hz-20kHz
• ultrasound . Answer: >20kHz
• 3 bigness parameters . Answer: amplitude, power, intensity
• amplitude . Answer: Height of a wave
• Peak-to-peak amplitude . Answer: the difference between maximum and minimum
values of an acoustic variable
• Power . Answer: the rate at which work is done
• Power & Amplitude . Answer: power is proportional to amplitude squared
• Intensity . Answer: the concentration of energy in a sound beam
• intensity (W/cm^2) . Answer: power (w) / area (cm^2)
• Intensity & Power . Answer: directly related
• Intensity & Amplitude . Answer: Intensity is proportional to amplitude squared
• Wavelength . Answer: the distance or length on one complete cycle
