Question

(a) What is reverberation? What will happen if the reverberation time in a big hall is too long? How can we reduce it?
(b) Which property of sound leads to the formation of echo? Briefly explain.

Answer 1

Answer:

reverberation.the repeation of sound or reflection of sound from a distance less than 17 meter is called reverberation.when reverberation time in a big hall increases so it will causes sound un differenciation .it can be reduce by using sound absorbing materials in hall.Echo is also reflection of sound from a distance of17 meter.its formula is s=vt\2.