Question

consists of vibrations of particles of a
medium​

Answer 1

Explanation:

In a transverse wave, particles of the medium vibrate up and down perpendicular to the direction of the wave. In a longitudinal wave, particles of the medium vibrate back and forth parallel to the direction of the wave.

Answer 2

Explanation:

When a disturbance is produced in a medium , medium particles start vibration and transmit this disturbance by passing to the next particles , in his way energy (disturbance) is transmitted by wave motion

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