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Parts of a wave. The frequency of a wave is the rate at which every point on the wave moves up and down every second Frequency means “how often ”. Unit – Hertz (Hz) means vibrations per second . Let’s try this!.
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Parts of a wave • The frequencyof a wave is the rate at which every point on the wave moves up and down every second • Frequency means “how often”. • Unit – Hertz (Hz) means vibrations per second
Let’s try this! • If the coil of a slinky makes two vibrations every second, what is the Frequency? • Answer: 2 Hz! • If a woodpecker pecks at a tree 15 times a second, what is the Frequency? • Answer: 15 Hz!
