(i) State which property of a sound wave must be increased to make the sound louder.
(ii) State which property of a sound wave must be increased to make the pitch of the sound higher.
Sound waves travel as longitudinal waves.
(i) Light is an example of a transverse wave. Give another example of a transverse wave.
(ii) Describe how the vibrations of longitudinal waves and transverse waves differ relative to the direction of energy transfer.
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.