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Question
Sound waves with frequency smaller than 20 Hz are called:
Sound waves with frequency smaller than 20 Hz are called:
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Solution
The correct option is B infrasound
Sound waves with a frequency smaller than 20 Hz are called infrasound. Rhinoceroses communicate using infrasound of frequency as low as 5 Hz.
Sound waves with a frequency smaller than 20 Hz are called infrasound. Rhinoceroses communicate using infrasound of frequency as low as 5 Hz.
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