How can i prove that sound waves are longitudinal wave?Are there any simple experiment that can be done?
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Related question: Why are sound waves longitudinal even though they are mechanical energy? – BioPhysicist Apr 22 '20 at 14:15
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The fact that sound waves can travel through fluids shows that it is a longitudinal wave, as fluids cannot support bulk transverse waves due to a lack of a restoring force for bulk shear movement.
Therefore, the fact that one can hear anything from sound that propagates through the air or water shows that sound is a longitudinal wave.
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