What happens at a boundary?
What happens at a boundary?
A material interface is a boundary between two materials or between regions with different wave properties. When a wave reaches an interface, its energy may be reflected, transmitted or absorbed.
Step-by-step lessons on Edexcel GCSE Physics 4.2 Waves at boundaries. Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.