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Which of the following statements is not correct?
The velocity of sound in the air is independent of pressure.
The velocity of sound in air increases with increase of temperature.
The velocity of sound in air decreases as humidity increases.
The velocity of sound in air is not affected by the change in amplitude and frequency.
The speed of a sound wave depends on what type of medium it is traveling through, and if that medium is a gas or liquid, a significant change in temperature can also affect its speed. Sound travels faster through a solid substance like rock because, unlike liquids or gases, the molecules in a solid are held close together.
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