A student investigates waves on a stretched cord. The frequency is 25 Hz. Three complete wavelengths occupy 1.20 m of the cord. What time does a wave take to travel 5.0 m?
0.17 s0.17\ \mathrm{s}0.17 s
1.50 s1.50\ \mathrm{s}1.50 s
2.00 s2.00\ \mathrm{s}2.00 s
0.50 s0.50\ \mathrm{s}0.50 s
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.