A Sound Source Radiates Sound Uniformly in All Directions $\times$ 10^-4 W/m²

question 36

Multiple Choice

A sound source radiates sound uniformly in all directions.The intensity of the sound at a distance of 100 m is 1.00 $\times$ 10^-4 W/m².The power of the sound source is

• A) 12.6 W.
• B) 16.2 W.
• C) 20.4 W.
• D) 24.5 W.
• E) 30.6 W.

---

Definitions:

Confidence Level

A measure of how likely it is that a statistical estimate is correct, often expressed as a percentage indicating how confident one can be in the result.

Glutamic Acid

An amino acid used by the body to build proteins, also functioning as a neurotransmitter in the brain.

Aspartic Acid

Aspartic acid is a nonessential amino acid used in the biosynthesis of proteins, playing roles in the body's metabolic processes and neurotransmission.

MSG

Monosodium glutamate, a flavor enhancer commonly used in food preparation and processed foods.