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Uniform and Non-Uniform Velocity

Why is sound ...

Question

Why is sound heard with more intensity through $C O_{2}$ than through the air?

Density of

C O_{2}

is more than that of air

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Density of

C O_{2}

is less than that of air

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Air is a bad conductor of heat

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C O_{2}

is a compound but air is a mixture of gases

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Solution

The correct option is A Density of $C O_{2}$ is more than that of air
Sound intensity is directly proportional to the density of the medium.
As $C O_{2}$ is more dense than the air, Sound intensity will be more in it than through the air.

$I = \frac{1}{2} ρ A^{2} ω^{2} v$

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