A deep-ocean research buoy is equipped with a pressure sensor on the seabed to monitor long-period swell waves.
The sensor detects the passage of 35 wave crests (pressure peaks) over a continuous monitoring period of 4 minutes and 40 seconds.
Calculate the frequency of these swell waves.
64 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties. Each one has a worked solution and a mark scheme showing where the marks go.