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Effect of density
The velocity of sound in a gas is inversely proportional to the square of the density of the gas
Velocity decreases wt density of the gases decreases
Proportionality
Decreases
Effect of temperature
Velocity at temperature 👆🏻
The velocity of sound in a gas is directly proportional to the square root of its temperature 🌡️
Vo ~ velocity of sound in gas at 0°C
= 331ms-1
When the temperature changes by 1°C the velocity of the sound changes by 0.61 ms-1
Increases
Equation
Change in the temperature
Effect of relative humidity
When humidity increases the speed of the sound increases
We can hear sound from long distance is clearly during rainy seasons
clear sound
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