Question

Hard materials used for sound insulation are good absorbers.

(a) True

(b) False

The question was asked during an interview for a job.

My doubt stems from Acoustics in division Acoustics and Ventilation of Construction & Building Materials

Answer 1

The correct answer is:

(b) False

Hard materials used for sound insulation are typically poor absorbers of sound. Instead, they reflect sound waves. Soft materials, like foam or fabric, are more effective sound absorbers.