A sensor monitors a vibrating string. The sensor's counter was already running when the first reading was taken.
| cumulative number of oscillations | time in s\mathrm{s}s |
|---|---|
| 18 | 1.2 |
| 93 | 4.2 |
Calculate the frequency of oscillation of the string.
112 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties, covering 4.1.1 Waves transfer energy and information, 4.1.2 Frequency, wavelength, amplitude, period and wavefronts, 4.1.3 Longitudinal and transverse waves, 4.1.4 The wave speed equations, 4.1.5 Measuring wave velocity, and 4.1.6 Calculating depth or distance from waves. Each one has a worked solution and a mark scheme showing where the marks go.