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Audiology: L1 Anatomy and Physiology of the Ear
- Nature of sound:
  - Sound= stimulus of hearing. It's a vibratory form of mechanical energy.Sound waves travel as alternate regions of high and low pressure called compressions and rarefactions
  - C and R Individual particles of the medium do not travel with the wave, but only vibrate back and forth around their equilibrium position.
.Direction of travel of wave Sound originates from a vibrating source and is propagated through a medium (water, air etc.) as a change in density or pressure