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General Science • PhysicsEasy

Which specific wave property determines the pitch of a sound heard by a human listener?

A. Amplitude of the sound wave
B. Frequency of the sound wave✓ Correct Answer
C. Speed of propagation through air
D. Phase difference between consecutive crests

💡 Solution & Explanation

The pitch of a sound is directly determined by its frequency, where higher frequency vibrations produce higher pitched sounds like a whistle, while lower frequencies produce lower pitched sounds like a deep drum beat. Loudness is determined by the amplitude of the wave. The human ear is sensitive to frequencies roughly between 20 hertz and 20000 hertz.

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