A wave moves along a coiled spring. The graph shows how the displacement of a point on the spring changes with time. What is the frequency of the wave?
- A$0.13\,\text{Hz}$
- B$0.20\,\text{Hz}$
- C$5.0\,\text{Hz}$
- D$7.5\,\text{Hz}$
Physics 9702 · AS & A Level · Progressive waves