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The direction of the wave changes if its speed is different in the two media.
They bend at the interface between two media.
The density. Refraction occurs at the boundary between two media of differing densities, such as air and water.
The direction of light propagation can be changed at the boundary of two media having different densities. This property is called refraction, and is illustrated in the following figure for the boundary between air and water.
surface waves
A wave undergos refraction when it crosses the boundary between two media in which it has different speeds.
it is speed
The direction of the wave changes if its speed is different in the two media.
They bend at the interface between two media.
surface wave
The density. Refraction occurs at the boundary between two media of differing densities, such as air and water.
Reflection occurs when seismic wave bounces backward as it reaches a boundary. It refers to the change in direction of a wave front at an interface between two different media.
I, II, and III <3
Surface Waves
surface waves
surface waves
Refraction.