2. Describe with the help of a diagram, how compressions and
rarefactions are produced in air near a source of sound.
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Answer:
by the consecutive compressions and rarefactions we can hear the sound from its source
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Explanation:
Compressions and rarefactions are produced because of the disturbance in medium caused by sound wave. Sound waves propagate because of compressions and rarefactions of the particles of the medium.
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