Mastering Sound Waves

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Questions and Answers

Which part of the ear is responsible for detecting sound waves?

  • Nerve cells
  • Inner ear
  • Ear drum (correct)
  • Tiny bones

What happens when the amplitude of a sound wave increases?

  • The energy transfer of the sound wave increases (correct)
  • The frequency of the sound wave increases
  • The speed of the sound wave increases
  • The pitch of the sound wave increases

What does the pitch of a sound depend on?

  • Amplitude of the sound wave
  • Frequency of the sound wave (correct)
  • Speed of the sound wave
  • Energy transfer of the sound wave

What is the medium through which sound waves travel in the given text?

<p>The air (C)</p> Signup and view all the answers

What happens when an object producing sound vibrates back and forth more times each second?

<p>The frequency of the sound wave increases (A)</p> Signup and view all the answers

Which of the following is true about sound waves reflecting?

<p>Sound waves reflect when they reach a boundary between materials. (C)</p> Signup and view all the answers

What is the term used to describe the sound wave that is reflected away from a hard surface?

<p>Echo (B)</p> Signup and view all the answers

Where can you easily produce an echo?

<p>In a large hall or near a cliff face (A)</p> Signup and view all the answers

Why can echoes be a problem in concert halls or recording studios?

<p>They can cause interference with the music. (A)</p> Signup and view all the answers

What can be done to reduce the problem of echoes in concert halls or recording studios?

<p>Coating the walls in soft, sound-absorbing materials (B)</p> Signup and view all the answers

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