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Physics Principles with Applications
Found in: Page 328
Physics Principles with Applications

Physics Principles with Applications

Book edition 7th
Author(s) Douglas C. Giancoli
Pages 978 pages
ISBN 978-0321625922

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Short Answer

What is the evidence that sound is a form of energy?

Following are the point which shows that sound is in the form of energy.

  1. As sound is a form of energy, therefore it performs work.
  2. Because of sound, there is mechanical vibration.

See the step by step solution

Step by Step Solution

Write the characteristics of energy

Consider the following characteristics of energy:

  1. Any type of energy can be used to do work.
  2. Energy may cause mechanical vibration.

Check the characteristic of sound  

The following points can be observed for sound relative to energy:

  1. Sound does work; therefore, it is a form of energy.
  2. Sound does cause mechanical vibration.
  3. For example, sound can set eardrums in motion, and a large sound level may cause rattling of the window, and sound can break the glass.

Thus, the sound is a form of energy.

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