50 likes | 176 Views
Waves and boundaries. A boundary is a place where conditions change. What a wave does at a boundary depends on the boundary conditions . The wave approaching a boundary is called the incident wave. The wave returning from a boundary is called the reflected wave.
E N D
Waves and boundaries • A boundary is a place where conditions change. • What a wave does at a boundary depends on the boundary conditions. • The wave approaching a boundary is called the incident wave. • The wave returning from a boundary is called the reflected wave.
Refraction of waves involves a change in the direction of waves as they pass from one medium to another.
Diffraction - a change in direction of waves as they pass through an opening or around a barrier in their path