Velocity refers to how fast a wave travels through space or medium.
Imagine throwing pebbles into calm water. When you throw them gently, they create small ripples that move slowly across the surface. But when you throw them with force, they create larger waves that travel faster across the water.
Speed of Sound/Light/Wave/etc.: Speed refers to how fast something moves over time.
Frequency: Frequency refers to how many complete cycles of a wave occur in one second.
Wavelength: The wavelength of a wave is the distance between two consecutive points in phase.
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