SIF1002 Vibrations and Waves Lecture 1 Quiz
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Questions and Answers

What is the time period, T, of an oscillation?

  • The angular frequency
  • The number of cycles per unit time
  • The time taken for one complete oscillation (correct)
  • The maximum displacement from the equilibrium position

    • What is the amplitude, A, in the context of periodic motion?

  • The time for one cycle
  • The number of cycles per unit time
  • The maximum magnitude of displacement from equilibrium (correct)
  • 2π times the frequency

    • What does the frequency, f, represent in periodic motion?

  • The number of cycles per unit time (correct)
  • 2π times the frequency
  • The time for one cycle
  • The maximum displacement from the equilibrium position

    • What is the angular frequency, 𝜔, in the context of periodic motion?

    <p>2π times the frequency</p> Signup and view all the answers

    What is the definition of vibrations?

    <p>The up and down motion of an object around a fixed position</p> Signup and view all the answers

    What causes oscillation of a system or periodic motion?

    <p>Force exerted by a spring when an object is displaced from equilibrium position</p> Signup and view all the answers

    What is the difference between simple and complex vibrations?

    <p>Simple vibrations involve a single frequency of oscillation, while complex vibrations involve multiple frequencies</p> Signup and view all the answers

    Which type of wave requires a medium to travel through?

    <p>Sound waves</p> Signup and view all the answers

    What is the amplitude of a wave?

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

    Which type of wave does not require a medium to travel through?

    <p>Light waves</p> Signup and view all the answers

    In the context of simple harmonic motion, what factor does the restoring force depend on?

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

    Which type of wave motion is typified by the vibration of a guitar string?

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

    What mathematical pattern does simple harmonic motion follow?

    <p>Sine or cosine wave</p> Signup and view all the answers

    In simple harmonic motion, what does the term 'phase' refer to?

    <p>Initial position</p> Signup and view all the answers

    What type of periodic motion involves an object or system oscillating back and forth around an equilibrium position under the influence of a restoring force that is proportional to its displacement from the equilibrium?

    <p>Simple harmonic motion</p> Signup and view all the answers

    What is the relationship between wavenumber (k) and wavelength (𝜆) in one-dimensional SHM?

    <p>𝒌 = 2𝝅Τ𝝀</p> Signup and view all the answers

    What represents the maximum displacement from the equilibrium point in simple harmonic motion (SHM)?

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

    What is the symbol used to denote the period in simple harmonic motion (SHM)?

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

    In simple harmonic motion (SHM), what is the relationship between frequency (f) and period (T)?

    <p>𝑓 = 1/Τ</p> Signup and view all the answers

    What law describes the restoring force in simple harmonic motion (SHM) when it is directly proportional to the displacement?

    <p>Hooke’s Law</p> Signup and view all the answers

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