Sound and Vibrations Experiments Quiz
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Questions and Answers

What is the key factor in producing sound according to the text?

  • The temperature of the body
  • The color of the body
  • The material medium (correct)
  • The size of the vibrating body

    • Based on the experiments, what conclusion can be drawn about sound production?

  • Vibrating tuning fork stops sound
  • Only a sitar can vibrate to produce sound
  • Only vibrating drum produces sound
  • Sound is produced when a body vibrates (correct)

    • What role does a vibrating body play in the production of sound?

  • It absorbs sound
  • It is a source of sound (correct)
  • It reflects sound
  • It cancels sound

    • Why is a material medium necessary for sound propagation?

    <p>To provide mechanical vibrations for wave transmission (B)</p> Signup and view all the answers

    How do we perceive sound according to the text?

    <p>Through vibrations in the ear drum (A)</p> Signup and view all the answers

    What happens to the loudness of the sound in the Bell Jar Electric Bell experiment as air is gradually withdrawn from the jar?

    <p>It goes on decreasing. (B)</p> Signup and view all the answers

    In the Bell Jar Electric Bell experiment, why does no sound get heard when all the air is removed from the jar?

    <p>The medium for sound transmission is removed. (A)</p> Signup and view all the answers

    Why does the sound of the electric bell gradually decrease in loudness as air is removed from the jar in the experiment?

    <p>The vibrations cannot reach the wall of the jar. (D)</p> Signup and view all the answers

    What role does the air inside the jar play in enabling us to hear the sound in the Bell Jar Electric Bell experiment?

    <p>The air transmits the vibrations from the gong to our ears. (B)</p> Signup and view all the answers

    What would happen to the sound production if a different medium other than air was used inside the Bell Jar Electric Bell experiment?

    <p>The sound would not be heard outside the jar. (B)</p> Signup and view all the answers

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