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What will be the speed of infrasonics an...

What will be the speed of infrasonics and ultrasonics in air at `0^(@)C` ?

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The speed of audible sound (20 Hz to 2000Hz) in air at `0^(@)C` is roughly `332ms^(-1)` . Irrespective of the frequencies, whether infrasonics, ultrasnics or audible , sound propagates with the same speed in a given medium.
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