Question

what is reflection and absorption of sound?​

Answer 1

A hard material such as concrete is as dissimilar as can be to the air through which the sound moves; subsequently, most of the sound wave is reflected by the walls and little is absorbed. ... Reflection of sound waves off of surfaces can lead to one of two phenomena - an echo or a reverberation.

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Answer 2

here is your answer..

Reflection of sound-

Sound changes its direction and bounces back when it strikes a surface such as water, cardboard, etc. The bouncing of sound from a material surface is known as the reflection of sound. Soft surfaces such as cushions, curtains, etc. can absorb some amount of the striking sound. Hence, these are bad reflectors of sound. Hard surfaces are the best reflectors of sound. The law of reflection of sound is similar to the law of reflection of light.

absorption of sound-

when a sound fall on a surface and it doesn't reflect then it is called absorption of sound.

In sound absorption,any material absorbs some part of sound energy when sound waves collide with it. This Part of the absorbed energy is transformed into heat and part is transmitted.

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