Question

sometimes reflection of sound may be undesirable can u give any examples

Answer 1

Yes , sometimes it is an desirable for example in cinema hall when sound is reflected it may disturb the audience.

Answer 2

Sound waves also follows the laws of relflection just like that of light waves.

However, there are certain instances where sound reflection can be undesirable or disturbing.

One such instance is the echo of sound.

It is the reflection of sound that reaches the listener after the original sound.

Example: When two people are present in a vacant hall/auditorium and are trying to talk to each other but face difficulty due to echo of sound.