Absorption of sound refers to which process?

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Multiple Choice

Absorption of sound refers to which process?

Absorption of sound is the process by which sound energy is taken up by a surface and converted into heat, so less energy is returned as a reflected wave. When a sound wave meets a material, some of its energy is reflected, some may pass through (transmitted), and the portion that is absorbed is dissipated inside the material as heat. That’s why absorptive surfaces like acoustic panels or soft furnishings help reduce echoes and reverberation in a room. The other descriptions describe the speed of sound, reflection, or increasing energy, none of which capture the idea of energy being drawn from the wave by the material.

Absorption of sound is the process by which sound energy is taken up by a surface and converted into heat, so less energy is returned as a reflected wave. When a sound wave meets a material, some of its energy is reflected, some may pass through (transmitted), and the portion that is absorbed is dissipated inside the material as heat. That’s why absorptive surfaces like acoustic panels or soft furnishings help reduce echoes and reverberation in a room. The other descriptions describe the speed of sound, reflection, or increasing energy, none of which capture the idea of energy being drawn from the wave by the material.

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