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  • If the density of a gas at  is <img alt="1.3\: kg/m^3" src="https://entrancecorner.oncodecogs.com/gif.latex

If the density of a gas at NTP is 1.3\: kg/m^3 and velocity of sound is 330\: m/s. the number of degrees of freedom of gas molecules is - 

Option: 1

2


Option: 2

3


Option: 3

6


Option: 4

5


Answers (1)

best_answer

We know that

 V=\sqrt{\frac{\gamma P}{f}}

According to the question given values,

\gamma=\frac{\rho v^2}{p}=\frac{1.3 \times(330)^2}{1.01 \times 10^5}=1.4

i.e, gas is diatomic or degree of freedom is 5.

Posted by

Rishabh

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