State which physical parameter of a sound wave must be increased to increase the volume of the sound.
State which physical parameter of a sound wave must be increased to raise the pitch of the sound.
Sound waves propagate through air as longitudinal waves.
Light is a well-known example of a transverse wave. Name another example of a transverse wave.
Describe how the oscillations of longitudinal waves and transverse waves differ in relation to the direction of energy propagation.
6 exam-style questions on Edexcel IGCSE Physics Properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.