An ultrasound transducer emits a wave of frequency 4.2 MHz that propagates through human muscle tissue with a wavelength of 0.36 mm.
Calculate the speed of this ultrasound wave in the muscle tissue, giving your answer in m s−1\text{m s}^{-1}m s−1.
64 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.