An Increase of 40 DB Increases the Sound Intensity by a Factor

question 6

Multiple Choice

An increase of 40 dB increases the sound intensity by a factor of

• A) 1000.
• B) 40000.
• C) 10000.
• D) 4000.

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Definitions:

Copper

A reddish-brown, malleable, ductile metallic element used as a conductor of heat and electricity, and in various alloys.

Zinc

A chemical element with symbol Zn and atomic number 30, used primarily for galvanizing steel to protect against corrosion.

Production Function

A mathematical relation that describes the maximum amount of output that can be obtained from a given set of inputs, under certain assumptions.

Labor

The application of human strength and intellect in the fabrication of products and provisions.