Question

sound absorbing materials are kept in walls of cinemas hall, why​

Answer 1

Explanation:

• Walls and ceiling of the cinema hall are covered with sound absorbing materials because in cinema hall echo is produced and sound of the movie will not be clear. So, to avoid the echo and to absorb the sound once produced without reflection, cinema hall is produced with sound absorbing materials.

Answer 2

Answer:

Walls and ceiling of the cinema hall are covered with sound absorbing materials because in cinema hall echo is produced and sound of the movie will not be clear. So, to avoid the echo and to absorb the sound once produced without reflection, cinema hall is produced with sound absorbing materials.

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