How Many Liters of Air Are in a Room That

question 21

Multiple Choice

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly) ; 1 L = 10³ cm³

• A) 92.8
• B) 8.84 × 10⁵
• C) 2.68 × 10⁷
• D) 2.49 × 10⁴
• E) 26.8

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Definitions:

High-Frequency Sounds

Sounds that have a frequency at the upper end of the human hearing range, typically from 2,000 to 20,000 Hz.

Cochlea

A spiral-shaped, fluid-filled structure in the inner ear that plays a key role in the sense of hearing by converting sound waves into nerve signals.

Decibels

A unit of measurement for the intensity of sound, indicating the relative loudness of sounds on a logarithmic scale.

Loudness

The perception of the intensity of sound, often measured in decibels, as experienced by the human ear.