The wavelength of a periodic wave is tripled. If the speed of the wave remains constant, what happens to the frequency of the wave?
It is tripled.
It is reduced to one-third of its original value.
It remains constant.
It is reduced to one-ninth of its original value.
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.