A fishing float bobbing on the surface of a lake oscillates up and down as water waves pass by. In exactly 1.5 minutes, 18 complete waves pass the float. What is the frequency of the waves?
0.083 Hz0.083\text{ Hz}0.083 Hz
0.20 Hz0.20\text{ Hz}0.20 Hz
5.0 Hz5.0\text{ Hz}5.0 Hz
12 Hz12\text{ Hz}12 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.