Which one of the following statements best describes the definition of amplitude of sound wave in air?

Amplitude is the persistence of sound due repeated reflection.

Amplitude is how the brain interprets the frequency of sound.

Amplitude is the maximum displacement of a layer of air from its mean position as the sound wave passes through.

Which one of the following statements best describes the definition of

1.	Which one of the following statements best describes the definition of amplitude of sound wave in air?
A.	Amplitude is how the brain interprets the frequency of sound.
B.	Amplitude is the maximum displacement of a layer of air from its mean position as the sound wave passes through.
C.	Amplitude is the persistence of sound due repeated reflection.
D.	All the above.
E.	None of these
Answer» C. Amplitude is the persistence of sound due repeated reflection.

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Which one of the following statements best describes the definition of amplitude of sound wave in air?

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