What Is True of the Amplitude of a Sound Wave

question 170

Multiple Choice

What is true of the amplitude of a sound wave?

• A) It is inversely proportional to the sound wave's wavelength.
• B) It corresponds to the psychological dimension of loudness.
• C) It corresponds to the psychological dimension of pitch.
• D) It is measured in units called hertz.

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Definitions:

Appalachian Mountains

A mountain range in eastern North America, extending from Newfoundland in Canada to Alabama in the United States.

Great Plains

A broad expanse of flat land, much of it covered in prairie, steppe, and grassland, located in the United States and Canada.

Erosional Remnant

A mountain or hill that remains when adjacent areas have eroded to lower levels.

Anticline

A type of fold in sedimentary strata that resembles an arch, with the oldest beds at its core.