Sound Waves Are Alternating Regions of Compression and Decompression of Molecules

question 194

Multiple Choice

Sound waves are alternating regions of compression and decompression of molecules (i.e., molecules crowd together and spread apart) . The pitch of a sound depends on the _____ _{of the sound} wave and sound intensity on the _____.

• A)amplitude; frequency
• B)frequency; wavelength
• C)frequency; amplitude
• D)wavelength; amplitude
• E)velocity; amplitude

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Definitions:

Sociocultural

Relating to, or involving the influences of society and culture on an individual or group.

Humanist-existential

A psychological perspective that emphasizes individual responsibility and the importance of personal growth, freedom, and the search for meaning.

Psychodynamic Model

A psychological theory that focuses on the meticulous examination of the psychological factors behind human behavior, emotions, and feelings, and their connection to experiences from early life.

Unconscious Level

A level of mental activity that occurs without conscious awareness, governing feelings, thoughts, and desires that influence behavior even though they are not accessible to the conscious mind.