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Sound of frequency below 20 Hz is called

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Physics
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Sound of frequency below 20 Hz is called

Answer & Solution
Correct Answer: Option B
Sound of frequency below 20 Hz is called Infrasonic.
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2 Comments
SHAKTI SINGH
SHAKTI SINGH 4 years ago
Infrasonic
Soustabh Paul
Soustabh Paul 6 years ago
It's audible..
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