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Questions and Answers
What is the frequency range for audio percept in humans?
What is the frequency range for audio percept in humans?
- 20 Hz to 20 kHz (correct)
- 15 Hz to 25 kHz
- 18 Hz to 22 kHz
- 10 Hz to 30 kHz
What are sound waves above 20 kHz known as?
What are sound waves above 20 kHz known as?
- Infrasound
- Audible waves
- Ultrasound (correct)
- Super sound waves
What is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound?
What is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound?
- Soundography
- Waveology
- Acoustics (correct)
- Sonicology
What is the wavelength range of sound waves in air at atmospheric pressure for humans to perceive?
What is the wavelength range of sound waves in air at atmospheric pressure for humans to perceive?
What are sound waves below 20 Hz known as?
What are sound waves below 20 Hz known as?
What is the frequency range for audio waves that elicit an auditory percept in humans?
What is the frequency range for audio waves that elicit an auditory percept in humans?
What are sound waves with frequencies above 20 kHz known as?
What are sound waves with frequencies above 20 kHz known as?
What is the name for sound waves below 20 Hz?
What is the name for sound waves below 20 Hz?
In which medium can sound propagate as an acoustic wave?
In which medium can sound propagate as an acoustic wave?
What is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound?
What is the interdisciplinary science that deals with the study of mechanical waves in gasses, liquids, and solids including vibration, sound, ultrasound, and infrasound?
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Study Notes
###Â Human Auditory Perception
- Humans perceive sounds within the frequency range of 20 Hz to 20 kHz.
- Sounds with frequencies above 20 kHz are known as ultrasound.
- Sounds with frequencies below 20 Hz are known as infrasound.
Sound Waves in Media
- Sound can propagate as an acoustic wave through gases, liquids, and solids.
- The wavelength of sound waves in air, at atmospheric pressure, ranges from approximately 17 meters for 20 Hz to 17 millimeters for 20 kHz.
###Â Acoustics
- Acoustics is the interdisciplinary science that studies mechanical waves in gasses, liquids, and solids.
- This includes vibrations, sound, ultrasound, and infrasound.
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