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The velocity of sound in moist air is more than in dry air because the moist air has
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- less density than dry air.
- less pressure than dry air.
- more pressure than dry air.
- more density than dry air.
- less density than dry air.
Correct Option: A
The density of dry air is more than that of moist air (when moisture is removed from air, its density increases). The speed of sound in a medium is inversely proportional to the square root of its density. Therefore, the speed of sound in moist air is more than that in dry air.