Question

question 26
1 pts
__________ is the number of times a wave repeats itself within a certain amount of time.
motion
frequency
sound
amplitude

Explanation:

Frequency is defined as the number of times a wave repeats itself (completes a cycle) within a specific time interval. Motion refers to the act of moving. Sound is a type of wave (but not the number of repetitions). Amplitude is the maximum displacement of a wave from its rest position.

Answer:

frequency