Which phenomenon occurs when a wave encounters a non-transmitting barrier?

When a wave encounters a non-reflective barrier, diffraction of the wave energy occurs.

Explanation:

Waves are movements caused in systems, which are caused by disturbances that occur on the medium. A wave does not have the ability to carry matter, it can only carry energy.

Whatever the type of wave, it is subject to the phenomena of reflection, refraction and diffraction.

The phenomenon called diffraction is nothing more than the deviation or scattering suffered by the wave when it circumvents or overcomes obstacles placed in its path, these obstacles represent a barrier not reflecting the wave. We can say that this phenomenon happens to all types of waves and is easily noticeable when it comes to sound waves. An example of sound diffraction is when we are listening to music being played on the other side of a wall.

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