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Question
A region of sound wave, where the air is at low pressure and low density.
A region of sound wave, where the air is at low pressure and low density.
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Solution
The correct option is B rarefaction
Sound will be produced by from a vibrating source. When a particle is vibrated, it moves to and fro about a mean point. It initially pushes the medium on one side and moves back to the other side creating a space of low pressure and density. this portion of medium is called a rarefaction.
Sound will be produced by from a vibrating source. When a particle is vibrated, it moves to and fro about a mean point. It initially pushes the medium on one side and moves back to the other side creating a space of low pressure and density. this portion of medium is called a rarefaction.
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