Physics of Sound: Longitudinal Waves
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Questions and Answers

What type of wave is sound in physics?

  • Longitudinal wave (correct)
  • Electromagnetic wave
  • Gravitational wave
  • Transverse wave
  • What is the unit of frequency?

  • Meter per second
  • Newton per second
  • Joule per second
  • Hertz (correct)
  • What is the characteristic of sound waves that refers to the number of complete waves that pass through a point per unit time?

  • Frequency (correct)
  • Amplitude
  • Periodic time
  • Wavelength
  • What type of wave propagates perpendicular to the direction of vibration?

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

    What is the condition necessary for mechanical waves to propagate?

    <p>The presence of a material medium</p> Signup and view all the answers

    Study Notes

    Definition of Sound in Physics

    • Sound is defined as longitudinal mechanical waves.
    • Mechanical waves require a material medium to propagate.
    • Longitudinal waves vibrate in the same direction as their propagation.

    Characteristics of Sound Waves

    • Frequency is the number of complete waves that pass through a point per unit time.
    • Frequency is equivalent to the reciprocal of periodic time.
    • Frequency is measured in hertz (Hz), where 1 Hz = 1/second.
    • Wavelength is a characteristic of sound waves.
    • Amplitude is a characteristic of sound waves.
    • Periodic time is a characteristic of sound waves.

    Types of Waves

    • Transverse waves propagate perpendicular to the direction of vibration.
    • Examples of transverse waves include water waves.

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    Description

    This quiz covers the definition of sound in physics, including mechanical waves, longitudinal waves, and their properties.

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