An oceanographer conducts an experiment to determine the speed of acoustic waves in seawater using a sonar transit-time technique.
From their measurements, the oceanographer calculates the speed of the acoustic waves to be 1465 m s-1.
The accepted reference value for the speed of sound in seawater at this specific temperature and salinity is 1505 m s-1.
Calculate the difference between the oceanographer's experimental value and the accepted value as a percentage of the accepted value.
Give your answer to 2 significant figures.
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.