a-gathering-hall-is-designed-to-filter-noise-from-traveling-outside-by-absorbing

Question

A gathering hall is designed to filter noise from traveling outside by absorbing it. Suppose the walls of the hall decrease the sound intensity level by 25 dB. Determine the fraction by which the walls lower the sound intensity in W/m².

Accepted Answer

3.16 × 10^-3

Answer

316.228

Answer

2.5

Answer

0.40

A gathering hall is designed to filter noise from traveling outside by absorbing it. Suppose the walls of the hall decrease the sound intensity level by 25 dB. Determine the fraction by which the walls lower the sound intensity in W/m2.

A gathering hall is designed to filter noise from traveling outside by absorbing it. Suppose the walls of the hall decrease the sound intensity level by 25 dB. Determine the fraction by which the walls lower the sound intensity in W/m².