Physics for IGCSE & O level - Waves And Sounds (Section 5 - No. 47)
In the context of waves, what does 'speed' refer to?
The time it takes for a wave to complete one cycle.
The distance a wave travels per unit of time.
The number of waves that pass a point per second.
The height of the wave.
Объяснение
The speed of a wave is defined as the distance it travels per unit of time.