What is true of transverse waves?
a. surface waves are transverse waves only. c. an example of transverse waves is sound
waves.
b. transverse waves vibrate parallel to the direction d. transverse waves travel through a medium.
of the wave's motion.

Explanation:

Option A:

Surface waves are neither transverse nor longitudinal.They traverse perpendicularly or parallel to the wave's motion along the interface between different media.

Option B:

Transverse waves vibrate perpendicularly to the direction of the propagation of the wave.

Option C:

Sound is a longitudinal wave.Not a transverse wave.

Option D:

Transverse waves don't require a medium for propagation.But they propagate in medium too.

“Transverse waves travel through a medium of the wave's motion” is true about transverse waves.

Option D

Explanation:

A transverse wave is nothing but a wave, which moves vertical to its direction of propagation. Most waves are transverse, and have a crest and trough. Surface waves are not longitudinal, but they are not transverse too. Sound waves are longitudinal, because they move in same direction of propagation.

Only transverse waves travel through a medium of the wave's motion. The propagation of a transverse wave is quite peculiar. The wave, while moving, sets the particles of medium, into the perpendicular direction, and hence, the motion takes place.

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