Can u explain sound and motion sums fo class 9 CBSE . Please
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In the first part of Lesson 1, it was mentioned that sound is a mechanical wave that is created by a vibrating object. The vibrations of the object set particles in the surrounding medium in vibrational motion, thus transporting energy through the medium.
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sound travel through matter in the form of longitudinalb wave motion . These waves are called longitudinal waves because the particles of the medium vibrate back and fourth longitudinally in the direction of propagation
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