Basic Properties of Sound Waves Quiz
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Questions and Answers

What determines the highness or lowness of a sound, also known as a musical note?

  • Loudness
  • Timbre
  • Amplitude
  • Pitch (correct)

    • Which term refers to the amplitude of a sound wave that determines its loudness or volume?

  • Loudness (correct)
  • Pitch
  • Frequency
  • Timbre

    • What are vibrational frequencies beyond 20,000 Hz called?

  • Ultrasonic frequencies (correct)
  • Pitch frequencies
  • Timbre frequencies
  • Infrasonic frequencies

    • What do high-amplitude sound waves signify in terms of loudness?

    <p>Louder sound</p> Signup and view all the answers

    Which animal can hear sounds as high as 100,000 Hz?

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

    What is the subjective characteristic that relates to the intensity of sound?

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

    What is the unit of intensity level for sound?

    <p>Decibel (dB)</p> Signup and view all the answers

    How is sound intensity measured?

    <p>By an oscilloscope</p> Signup and view all the answers

    What does an increase of 1 dB mean on the decibel scale?

    <p>Sound intensity is increased by a factor of 10</p> Signup and view all the answers

    Which quality is used to differentiate two sounds with the same frequency?

    <p><strong>Timbre</strong></p> Signup and view all the answers

    What is a characteristic of timbre?

    <p><strong>Clean</strong></p> Signup and view all the answers

    What is noise in the context of sound?

    <p><strong>Distorted and not pleasing to the senses sound wave</strong></p> Signup and view all the answers

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