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Questions and Answers
What is the medical use of sound waves in breaking kidney stones?
What is the medical use of sound waves in breaking kidney stones?
- To create a light wave
- To create a static charge
- To shatter the stones and avoid surgery (correct)
- To measure weather conditions
What is the principle behind the Doppler Effect?
What is the principle behind the Doppler Effect?
- The change in frequency of the sound wave
- The compression of sound waves between the moving object and the observer (correct)
- The change in pitch of the sound wave
- The increase in distance between the moving object and the observer
What is the actual change in the sound wave during the Doppler Effect?
What is the actual change in the sound wave during the Doppler Effect?
- A change in amplitude
- No change in frequency (correct)
- A change in pitch
- A change in frequency
What is the purpose of using Doppler sound waves in the National Weather Service?
What is the purpose of using Doppler sound waves in the National Weather Service?
What is the relationship between the distance and the sound wave during the Doppler Effect?
What is the relationship between the distance and the sound wave during the Doppler Effect?
What is lightning?
What is lightning?
What is sound in medicine?
What is sound in medicine?
What type of wave can sound propagate as in solids?
What type of wave can sound propagate as in solids?
What is the role of the sound source in sound propagation?
What is the role of the sound source in sound propagation?
What happens to the particles of the medium as the sound wave propagates?
What happens to the particles of the medium as the sound wave propagates?
What three factors affect the behavior of sound propagation?
What three factors affect the behavior of sound propagation?
What happens to the pressure, velocity, and displacement of the medium at a fixed distance from the source?
What happens to the pressure, velocity, and displacement of the medium at a fixed distance from the source?
What are the two fundamental elements of sound?
What are the two fundamental elements of sound?
What is the horizontal axis representing in Figure 2?
What is the horizontal axis representing in Figure 2?
What is a complex sound wave typically separated into?
What is a complex sound wave typically separated into?
What is a common way to simplify sound waves?
What is a common way to simplify sound waves?
What is the purpose of breaking down a complex sound wave into its component parts?
What is the purpose of breaking down a complex sound wave into its component parts?
What is the typical graphical representation of a sound wave?
What is the typical graphical representation of a sound wave?
What is the main difference between ultrasound and audible sound?
What is the main difference between ultrasound and audible sound?
What is the approximate frequency limit of human hearing in healthy young adults?
What is the approximate frequency limit of human hearing in healthy young adults?
What is the definition of ultrasound according to the American National Standards Institute?
What is the definition of ultrasound according to the American National Standards Institute?
What is the main reason for the upper frequency limit of human hearing?
What is the main reason for the upper frequency limit of human hearing?
What is the original meaning of the acronym Sonar?
What is the original meaning of the acronym Sonar?
What is a common use of ultrasound in underwater range finding?
What is a common use of ultrasound in underwater range finding?
What is the function of the outer ear?
What is the function of the outer ear?
What is the tympanic membrane also known as?
What is the tympanic membrane also known as?
What is the function of the Eustachian tube?
What is the function of the Eustachian tube?
What is the cochlea responsible for?
What is the cochlea responsible for?
What is the main function of the semicircular canals?
What is the main function of the semicircular canals?
How many parts does the ear consist of?
How many parts does the ear consist of?
Ultrasound has different physical properties than audible sound.
Ultrasound has different physical properties than audible sound.
The upper frequency limit of human hearing is 20 hertz.
The upper frequency limit of human hearing is 20 hertz.
Ultrasound devices can operate at frequencies as low as 10 kHz.
Ultrasound devices can operate at frequencies as low as 10 kHz.
Ultrasound is used only in the medical field.
Ultrasound is used only in the medical field.
The American National Standards Institute defines ultrasound as sound at frequencies greater than 10 kHz.
The American National Standards Institute defines ultrasound as sound at frequencies greater than 10 kHz.
Children can hear sounds at lower frequencies than older adults.
Children can hear sounds at lower frequencies than older adults.
Ultrasound is used for sonar purposes.
Ultrasound is used for sonar purposes.
The middle ear is responsible for the upper frequency limit of human hearing.
The middle ear is responsible for the upper frequency limit of human hearing.
Auditory sensation can occur if high-intensity ultrasound is fed directly into the human ear.
Auditory sensation can occur if high-intensity ultrasound is fed directly into the human ear.
Sonar is an acronym for sound navigation and detection.
Sonar is an acronym for sound navigation and detection.
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