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प्रश्न
What are infrasonics? Can you hear them?
एक पंक्ति में उत्तर
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उत्तर
Sounds of frequency lower than 20 Hz are called the infrasonics. We cannot hear the infrasonic sounds.
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संबंधित प्रश्न
Differentiate between a high pitch sound and a low pitch sound.
Why are musical instruments provided with more than one string ?
How is it possible to recognize a person by his voice without seeing him?
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Define the term amplitude of a wave. Write its S.I. unit.
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