Question

which statement best describes the relationship between the direction of energy and wave motion in a transverse wave?

the energy direction is parallel to the motion of the wave.

the energy direction is in the opposite direction of the motion of the wave.

the energy direction is perpendicular to the motion of the wave.

the energy direction has no relationship to the motion of the wave.

Explanation:

In a transverse wave, the particles of the medium oscillate perpendicular to the direction of wave propagation (motion). Energy is transferred along with the wave, and since the particle motion (which is related to energy transfer in the wave) is perpendicular to the wave's motion, the energy direction is also perpendicular to the wave's motion. The first option describes longitudinal waves (where energy direction is parallel to wave motion). The second and fourth options are incorrect as energy does have a relationship (perpendicular) to wave motion in transverse waves.

Answer:

The energy direction is perpendicular to the motion of the wave.