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Questions and Answers
What is the unit used to measure the loudness of sound?
What is the unit used to measure the loudness of sound?
- Ampere
- Hertz
- Decibel (correct)
- Watt
What property of a sound wave determines its pitch?
What property of a sound wave determines its pitch?
- Frequency (correct)
- Wavelength
- Amplitude
- Speed
Which type of wave is responsible for the sensation of hearing?
Which type of wave is responsible for the sensation of hearing?
- Light wave
- Sound wave (correct)
- Electromagnetic wave
- Radio wave
Which of the following properties of a sound wave determines its pitch?
Which of the following properties of a sound wave determines its pitch?
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How does the speed of sound change with an increase in temperature?
How does the speed of sound change with an increase in temperature?
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What type of wave is responsible for the sensation of hearing?
What type of wave is responsible for the sensation of hearing?
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What happens to the speed of sound with an increase in temperature?
What happens to the speed of sound with an increase in temperature?
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What unit is used to measure the loudness of sound?
What unit is used to measure the loudness of sound?
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Study Notes
Sound Properties
- The loudness of sound is measured in decibels (dB).
- The pitch of a sound wave is determined by its frequency.
- Sound waves are a type of mechanical wave responsible for the sensation of hearing.
- The pitch of a sound wave is determined by its frequency, not amplitude or wavelength.
- The speed of sound increases with an increase in temperature.
- Sound waves are a type of mechanical wave that travels through a medium, allowing us to hear.
- As temperature increases, the speed of sound also increases.
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