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Questions and Answers
Which of the following is true about sound waves?
Which of the following is true about sound waves?
- Sound waves can only propagate through gases
- Sound waves have frequencies below 20 Hz
- Sound waves are only audible to animals
- Sound waves with frequencies between 20 Hz and 20 kHz can be heard by humans (correct)
What is the range of wavelengths for sound waves in air at atmospheric pressure?
What is the range of wavelengths for sound waves in air at atmospheric pressure?
- 1.7 centimeters to 17 meters
- 1.7 centimeters to 1.7 meters
- 17 meters to 17 centimeters
- 17 meters to 1.7 centimeters (correct)
What are sound waves with frequencies above 20 kHz called?
What are sound waves with frequencies above 20 kHz called?
- Acoustic waves
- Infrasound
- Mechanical waves
- Ultrasound (correct)
What is the interdisciplinary science that deals with the study of mechanical waves in gases, liquids, and solids?
What is the interdisciplinary science that deals with the study of mechanical waves in gases, liquids, and solids?
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What is a scientist who works in the field of acoustics called?
What is a scientist who works in the field of acoustics called?
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