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Question

Why sound waves are mechanical waves?


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Solution

Mechanical Waves

  1. These waves require a medium for transfer of energy from one location to another. Waves travel through a medium until it's all energy is transferred. For example: sound waves and oscillations on a rope etc.
  2. In a sound wave particles of wave vibrate in direction parallel to direction of wave.
  3. As we know that sound waves cannot travel through a vacuum, it requires a medium for propagation.

Hence, sound wave is a mechanical wave.


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