Question : Which one among the following doesn't have any effect on the velocity of sound?
Option 1: Pressure
Option 2: Temperature
Option 3: Humidity
Option 4: Density
Correct Answer: Humidity
Solution : The correct option is Humidity .
While humidity can affect the speed of sound in the air to some extent, it has a negligible impact when compared to other parameters such as temperature, pressure, and density. Changes in humidity (the quantity of water vapour in the air) can marginally alter the speed of sound in gases such as air, although the effect is small in comparison to the large influence of temperature and pressure on sound velocity.
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