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Sound Class 09 Quiz
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Sound Class 09 Quiz

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Questions and Answers

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?

  • Frequency (correct)
  • Wavelength
  • Amplitude
  • Speed
  • 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?

    <p>Frequency</p> Signup and view all the answers

    How does the speed of sound change with an increase in temperature?

    <p>Increases</p> Signup and view all the answers

    What type of wave is responsible for the sensation of hearing?

    <p>Longitudinal wave</p> Signup and view all the answers

    What happens to the speed of sound with an increase in temperature?

    <p>It increases</p> Signup and view all the answers

    What unit is used to measure the loudness of sound?

    <p>Decibel</p> Signup and view all the answers

    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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    Description

    Test your knowledge about sound with this quiz. Explore questions related to the measurement of loudness, the determination of pitch, the type of wave responsible for hearing, and the effects of temperature on the speed of sound.

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