An intraoperative medical scanner uses both ultrasound pulses to image tissue and infrared optical signals to track the position of the probe. The ultrasound waves are longitudinal, while the infrared tracking signals are transverse.
Describe the difference between the oscillations in longitudinal waves and transverse waves.
64 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties. Each one has a worked solution and a mark scheme showing where the marks go.