Question

1. particles move perpendicularly to the direction the wave travels in a ______ wave.

a longitudinal
b transverse
c medium
d frequency

Explanation:

In a transverse wave, particles move perpendicular to the wave - propagation direction. Longitudinal waves have particles moving parallel to the wave direction. Medium is the substance through which a wave travels and frequency is the number of wave cycles per unit time.

Answer:

B. Transverse