A ripple tank is used to observe the behavior of water waves.
What causes the ripples to diffract?
The ripples bounce off a straight metal barrier.
The ripples change speed as they move from deep water to shallow water.
The ripples pass through a narrow gap in a barrier.
The depth of the water is increased uniformly across the tank.
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.