An ultrasound imaging probe transmits an acoustic wave with a frequency of 6.8 MHz into a sample of human muscle tissue. The wavelength of the ultrasound in this tissue is measured to be 225 μm225\ \mu\text{m}225 μm.
Calculate the speed of the ultrasound wave in this muscle tissue.
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.