Question

• Acoustic engineering to reduce
sound involves
Answer
A.
Curved surfaces to reflect sound
B. use of granite for lining the walls
C.
use of cork for lining the walls
D.
use of low volume speakers​

Answer 1

Answer :

C. Use of cork for lining the walls

Explanation :

Cork is great for walls as it absorbs about 40% of the sound in the frequency range produced by the human