(i) During wave motion, the particles of the medium vibrate about their mean position. The particles of the medium do not travel from one place to another. (ii) Wave motion travels at the same speed in all directions. (iii) During wave motion, energy is transferred from one point to another. There is no transfer of matter through the medium. (iv) During wave motion, the medium does not move is a whole. Only the disturbance travels through the medium.
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