A small toy boat floating in a swimming pool bobbles up and down as periodic waves travel across the surface.
In exactly 1.5 minutes, 18 complete wavelengths pass the boat.
What is the frequency of the waves?
0.20 Hz0.20\text{ Hz}0.20 Hz
5.0 Hz5.0\text{ Hz}5.0 Hz
12 Hz12\text{ Hz}12 Hz
0.083 Hz0.083\text{ Hz}0.083 Hz
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.