Gr 10 Physical Sciences Ch 7: Wavelength and amplitude
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Questions and Answers

What is the wavelength in a longitudinal wave?

  • The maximum displacement from equilibrium
  • The distance between the equilibrium position and a compression
  • The distance between two consecutive rarefactions
  • The distance between two consecutive points that are in phase (correct)

    • What is the amplitude of a longitudinal wave?

  • The maximum change in pressure from the equilibrium state (correct)
  • The distance between two consecutive compressions
  • The distance between two consecutive points that are in phase
  • The distance between the equilibrium position and a compression

    • What does the amplitude of a longitudinal wave represent?

  • The distance between two consecutive compressions
  • The distance between two consecutive points that are in phase
  • How strongly the wave can compress or rarefy the medium (correct)
  • The distance between the equilibrium position and a compression

    • What is a compression in a longitudinal wave?

    <p>A region of high pressure</p> Signup and view all the answers

    What is the distance between the equilibrium position and a compression in a longitudinal wave?

    <p>The amplitude</p> Signup and view all the answers

    What is the distance between two consecutive points that are in phase in a longitudinal wave?

    <p>One complete cycle of the wave</p> Signup and view all the answers

    What is the maximum change in pressure from the equilibrium state in a longitudinal wave?

    <p>The amplitude of the wave</p> Signup and view all the answers

    What does the amplitude of a longitudinal wave measure?

    <p>The maximum displacement from equilibrium</p> Signup and view all the answers

    What is the wavelength of a longitudinal wave a measure of?

    <p>The distance between two consecutive points that are in phase</p> Signup and view all the answers

    Which of the following represents one complete cycle of a longitudinal wave?

    <p>The wavelength of the wave</p> Signup and view all the answers

    Which of the following points in a longitudinal wave would be considered in-phase?

    <p>Two consecutive compressions</p> Signup and view all the answers

    What is the effect of doubling the amplitude of a longitudinal wave?

    <p>The maximum pressure change from equilibrium is doubled</p> Signup and view all the answers

    Which of the following is NOT a correct statement about the wavelength of a longitudinal wave?

    <p>It is the distance between a compression and the following rarefaction</p> Signup and view all the answers

    What is the relationship between the amplitude and wavelength of a longitudinal wave?

    <p>The amplitude is independent of the wavelength</p> Signup and view all the answers

    If a longitudinal wave has an amplitude of 5 Pa, what is the pressure at the point of maximum compression?

    <p>5 Pa above equilibrium</p> Signup and view all the answers

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