Properties of Waves Quiz
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Questions and Answers

What is the definition of the period T of oscillation of a wave?

  • The distance between two consecutive nodes
  • The speed of a transverse wave on a stretched string
  • The speed of a progressive wave
  • The time any element of the medium takes to move through one complete oscillation (correct)

    • How is the frequency v of a wave defined?

  • v= B ρ
  • 2π ω
  • 1/T (correct)
  • v= Y ρ

    • What is the relation between the period T and angular frequency ω?

  • v= γP ρ
  • The speed of a transverse wave on a stretched string
  • 2π ω = no N C tt E o R be T re pu T = bl is (correct)
  • v= B ρ

    • What determines the speed of a transverse wave on a stretched string?

    <p>Tension T and linear mass density μ</p> Signup and view all the answers

    What is the speed of a sound wave in a fluid based on?

    <p>v= γP ρ</p> Signup and view all the answers

    What does the principle of superposition of waves state?

    <p>The algebraic sum of displacements due to each wave</p> Signup and view all the answers

    What is the amplitude of the wave described in the text?

    <p>5 cm</p> Signup and view all the answers

    How does the angular wave number relate to the number of waves per unit length in SI units?

    <p>It indicates the total phase difference per unit length</p> Signup and view all the answers

    What is the wavelength of the wave in the text?

    <p>7.85 cm</p> Signup and view all the answers

    How is the period related to the angular frequency of a wave?

    <p>T = 2π/ω</p> Signup and view all the answers

    What is the frequency of the wave described in the text?

    <p>0.48 Hz</p> Signup and view all the answers

    How can we determine the speed of propagation of a traveling wave?

    <p>By fixing attention on any particular point on the wave</p> Signup and view all the answers

    What is the frequency of the note produced by the whistle if the pulse rate is 1 after every 20 seconds?

    <p>1/20 Hz</p> Signup and view all the answers

    If the transverse displacement of the wave on the string is described by $y = 5 ext{ cm} imes ext{sin}(kx - \omega t)$, what is the wavelength of the wave?

    <p>20$ ext{ cm}$</p> Signup and view all the answers

    Based on the information about SONAR, what is the period of the sound wave emitted by the SONAR system operating at 40.0 kHz?

    <p>0.025 ms</p> Signup and view all the answers

    If a wave equation is given by $y = A ext{ sin}(kx - \omega t)$ and the transverse displacement is maximum at x = 0, what is the phase constant?

    <p>$\pi$</p> Signup and view all the answers

    What is the frequency of the sound reflected by the enemy submarine moving towards a SONAR at a speed of 360 km/h?

    <p>40.1 kHz</p> Signup and view all the answers

    If a seismograph records P and S waves from an earthquake with P wave arriving 4 minutes before S wave, what is the difference in their wavelengths?

    <p>$16$ km</p> Signup and view all the answers

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