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Wave speed

Definition

Wave speed refers to how fast a wave travels through a medium. It is determined by dividing the distance traveled by the time taken for one complete cycle of oscillation.

Analogy

Think about riding on a boat across a lake with small waves. If you row faster, your boat will cover more distance in less time. Similarly, if a wave has higher frequency (more cycles per second) or shorter wavelength (shorter distance between peaks), it will travel faster through its medium.

Related terms

Frequency: The number of complete cycles or oscillations per unit time.

Wavelength: The distance between two consecutive points on a wave that are in phase with each other.

Amplitude: The maximum displacement from equilibrium position in either direction for particles in a medium carrying waves.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.