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- In wave motion, the disturbance travels through the medium due to repeated periodic oscillations of the particles of the medium about their mean position (or) Equilibrium position.
- Energy and momentum are transferred from one point to another without any actual transfer of the particles of the medium.
- There is a regular phase difference between the particles of the medium because each particle receives disturbance little later than its preceding particle.
- The velocity with which wave travels is different from the velocity of the particles with which they vibrate about their mean (or) equilibrium position.
- For a given medium the velocity of the wave motion remains constant, while the particle velocity changes continuously during its vibration about their equilibrium position.
- The velocity of the particle is maximum at the mean position and zeroes at the extreme position.