At a Distance of 2

question 50

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

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Definitions:

Neolithic Agricultural Villages

Early human settlements that emerged during the Neolithic era, characterized by farming practices, permanent structures, and the development of agricultural technologies.

Americas

Describes the continents of North and South America, including the Central American and Caribbean regions, recognized for their diverse cultures, languages, and histories.

Language Group

A collection of languages that share a common origin, exhibiting similarities in grammar, vocabulary, and syntax.

Sub-Saharan Africa

The area of the African continent situated south of the Sahara Desert, characterized by its distinct cultures, languages, and geographic features.