Class 8 Sound Chapter Quiz
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Questions and Answers

What is the primary mode of propagation of sound?

  • Refraction
  • Diffraction
  • Conduction (correct)
  • Reflection

    • Which property of a medium affects the speed of sound?

  • Temperature (correct)
  • Color
  • Transparency
  • Density

    • In which medium does sound travel the fastest?

  • Steel (correct)
  • Wood
  • Water
  • Air

    • What is the unit of measurement for the intensity of sound?

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

    What is the definition of sound?

    <p>Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear</p> Signup and view all the answers

    What determines the pitch of a sound?

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

    What is the effect of increasing the amplitude of a sound wave?

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

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