Sound Level: at a Distance of 2

question 108

Multiple Choice

Sound level: 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

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Definitions:

Identity Confusion

A developmental stage where individuals struggle with questions about who they are and their role in society, often occurring during adolescence.

Intolerance

Lack of acceptance of differing views, habits, or beliefs, often leading to conflict.

Virtue

Virtue is the quality of moral excellence, righteousness, and adherence to ethical principles in one's behavior and decision-making processes.

Erikson

Refers to Erik Erikson, a developmental psychologist known for his theory on psychosocial development across the lifespan.