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  1. 13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

  2. What is Wave Period? | Everything You Need to Know

  3. Amplitude, Period, Phase Shift and Frequency - Math is Fun

  4. Frequency & Period: Definition, Formulas & Units (W/ Diagrams ...

  5. Physics Tutorial: Frequency and Period of a Wave

  6. 13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

  7. Properties of waves - AQA Wave period and wave speed - BBC