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Why the speed of sound depends …

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Why the speed of sound depends on moisture of the atmosphere
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Meghna Thapar 3 years, 10 months ago

As the humidity increases, so too does the percentage of air molecules that are water molecules. ... Lower density translates into faster sound wave travel, so sound waves travel faster at high humidity. The increase in speed, however, is very small, so for most everyday purposes you can ignore it.The speed of sound is affected by temperature and humidity. Because it is less dense, sound passes through hot air faster than it passes through cold air. ... Dry air absorbs far more acoustical energy than does moist air. This is because moist air is less dense than dry air (water vapor weighs less than air).

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