Pitch of sound depends upon:
Correct answer: D. Frequency of sound
- A. Intensity of sound
- B. Wavelength of sound
- C. Loudness of sound
- D. Frequency of sound
Explanation
Option D is correct.The pitch of a sound depends on its frequency.The pitch of a sound is how high or low it sounds. Higher-pitched sounds have a higher frequency, while lower-pitched sounds have a lower frequency. The human ear can hear sounds with frequencies from about 20Hz to 20,000Hz. Sound waves are vibrations that travel through a medium, such as air or water. The frequency of a sound wave is the number of vibrations that pass a given point in a given amount of time. The higher the frequency of a sound wave, the shorter the wavelength. The shorter the wavelength, the higher the pitch of the sound.
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About Waves
Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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