plz plz plz plz plz plz plz tell me answer of this fast ch 12 sound class 9
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it comes by compression and rarefaction of sound medium
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The vibrating object produces a series of compressions and rarefactions, one after the other in the medium. These pulses travel one behind the other as the sound waves move forward. When this sound wave reaches our ear, it forces the tympanic membrane to vibrate and thus causes the sensation of hearing.
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