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Questions and Answers
What is the range of frequencies that the normal human ear can hear?
What is the range of frequencies that the normal human ear can hear?
- 20 to 20,000 vibrations per second (correct)
- 10 to 10,000 vibrations per second
- 25 to 25,000 vibrations per second
- 15 to 15,000 vibrations per second
What must occur for a body to produce sound?
What must occur for a body to produce sound?
- It must be in a vacuum
- It must be set into vibration (correct)
- It must be heated
- It must be exposed to light
Which medium is most commonly associated with the transmission of sound waves?
Which medium is most commonly associated with the transmission of sound waves?
- Water
- Vacuum
- Solid steel
- Air (correct)
What type of waves can be set up in an elastic body to transmit sound?
What type of waves can be set up in an elastic body to transmit sound?
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Which of the following is not a typical example of a vibrating body that can originate sound waves?
Which of the following is not a typical example of a vibrating body that can originate sound waves?
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