Multiple choice

The walls of the halls built for music concerts should

  1. amplify sound

  2. reflect sound

  3. transmit sound

  4. absorb sound

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Concert hall walls should absorb sound to prevent excessive reverberation and echoes that would muddy the sound quality. Sound absorption creates better acoustic clarity by reducing reflections and preventing sound from bouncing around too much.