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  4. The degree of freedom of triatomic gas is :

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Q. The degree of freedom of triatomic gas is :

Haryana PMTHaryana PMT 2000

Solution:

The degrees of freedom of the system is given by the formula
$f=3 N-K$
Where,
$f=$ degrees of freedom
$N =$ Number of Particles in the system.
$K=$ Independent relation among the particles
For a tri atomic gas
$N=3 $
$ K=3 $
$f= 3 \times 3-3 $
$f= 9-3$
$f=6$
Therefore, the degree of freedom of tri atomic gas is $6$ .