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Q26
(CISF/2023)
Science & Technology › Basic Science (Physics, Chemistry, Biology)
Which one among the following statements regarding sound is correct ?
Result
Your answer:
—
·
Correct:
A
Explanation
The pitch of a sound is directly proportional to its frequency. Pitch is the sensation of a frequency; a high-pitched sound (like a whistle or a bird's chirp) corresponds to a high frequency of vibration, while a low-pitched sound (like a drum or a man's voice) corresponds to a low frequency.
- Amplitude determines the loudness or intensity of the sound, not its pitch. A sound with high amplitude is louder, while one with low amplitude is softer.
- The speed of sound depends on the properties of the medium (such as temperature, density, and elasticity) through which it travels and is independent of the frequency or pitch of the sound wave.
Therefore, statement A is correct as high pitch is the result of high frequency vibrations.
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