Answer: The correct option is (C).
Explanation:
In longitudinal wave, the vibrations of the particles of the medium are parallel to the direction of the motion of the wave.
In transverse wave, the vibrations of the particles of the medium are perpendicular to the direction of the motion of the wave.
In surface wave, the disturbances which travel in the circular motion. The surface wave is neither longitudinal nor transverse. The particles of the medium are perpendicular and parallel to the direction of the energy transportation.
Therefore, the correct statement about the surface wave is option (C).
