A technician sends a sound wave through a ceramic kitchen worktop.
Measurements of the wave give:
| quantity | value |
|---|---|
| wave speed | 4200 m/s |
| wavelength | 1.4 m |
State the SI unit of frequency.
Calculate the frequency of the sound wave.
The technician doubles the frequency without changing the ceramic worktop.
State what happens to the wavelength.
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.