Sound waves travel through the air. What is meant by the frequency of the wave?
the distance from one wave crest to the next consecutive wave crest.
the maximum displacement of an air particle from its undisturbed position.
the number of wave cycles passing a fixed point per second.
the distance the wave travels in one second.
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.