At a Distance of 2

question 38

Multiple Choice

At a distance of 2.00 m from a point source of sound, the intensity level is 80.0 dB. What will be the intensity level at a distance of 4.00 m from this source? The lowest detectable intensity is 1.0 × 10^-12 W/m².

• A) 77.0 dB
• B) 74.0 dB
• C) 60.0 dB
• D) 40.0 dB
• E) 20.0 dB

---

Definitions:

Workforce

The group of people engaged in or available for work, either in a country or organization, including both employees and the potential labor pool.

Collaboration

The action of working with someone to produce or create something, emphasizing teamwork and collective effort.

Interpersonal Communication

The direct, face-to-face communication between two or more individuals.

Nonverbal Communication

The conveyance of messages or information through means other than spoken or written words, such as gestures, facial expressions, and body language.