A sound wave with a frequency of 680 Hz travels through air at 330 m/s.
The sound wave then passes into a steel bar. The wavelength of the sound in the steel is 7.5 m.
What is the speed of sound in the steel?
44 m/s44\ \text{m/s}44 m/s
91 m/s91\ \text{m/s}91 m/s
2480 m/s2480\ \text{m/s}2480 m/s
5100 m/s5100\ \text{m/s}5100 m/s
52 exam-style questions on OCR GCSE Physics 5.1 Wave behaviour, covering 5.1.1 Describing wave motion, 5.1.2 Wavelength and frequency, 5.1.3 Wave speed, frequency and wavelength, 5.1.4 Wave speed problems, 5.1.5 Transverse and longitudinal waves, 5.1.6 Sound waves crossing between media, 5.1.7 Reflection, transmission and absorption at interfaces, 5.1.8 Sound waves and vibrations in solids, 5.1.9 Frequency range and human hearing, 5.1.10 Modelling waves with water ripples and sound, and 5.1.11 Evidence that the wave travels, not the medium. Each one has a worked solution and a mark scheme showing where the marks go.