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 (A)</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 (A)</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 (D)</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 (D)</p> Signup and view all the answers

What does the amplitude of a longitudinal wave measure?

<p>The maximum displacement from equilibrium (A)</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 (C)</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 (C)</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 (C)</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 (A)</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 (D)</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 (C)</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 (B)</p> Signup and view all the answers

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