Refraction of the sound wave causes some difference in our hearing ability. Refraction of sound causes difference in hearing ability These refractions from beneath create a shadow region, which helps identify a distant object. In addition to marine organisms, it is also valuable for navigators traveling in oceans. For example, whales and dolphins can communicate over a considerable distance because of this property.
Many marine experts find this refraction of the sound wave as an advantage that helps marine organisms to travel or propagate. This causes downward refraction of a sound wave that originates within/beneath the water body, which is totally opposite of the refraction of the sound wave mentioned above. Usually, the temperature of oceanic water decreases while going in-depth. This occurs In sound waves traveling over oceans. This can be more briefly explained by taking one more example. Whereas wavefronts far from water body speed ups.Īnd due to its consequences, when sound waves move over a water body, it gets refracted towards the water body by these variations in air properties. And because of this, the wavefronts formed above the water body tend to slow down. And we also know that sound waves tend to slow down their speed while traveling in a cooler medium than a warmer medium. The air mass occupying the area above water is comparatively cooler than the air from the water body. And because of it goes through refraction and this can be explained further.Īs we know, water has a moderating effect on the air above the water. Here we can see that when a wave travels over a water body, it is traveling in the air only it does not change its medium, but the air over the water itself has varying properties. Refraction of sound causes variation over water Image Credit: “Man in Seward Park, 1913” by Seattle Municipal Archives is licensed under CC BY 2.0
0 kommentar(er)
