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Value of  C_p and C_v depends upon:

Option: 1

Temperature of gas


Option: 2

Pressure and volume of gas


Option: 3

\gamma and R


Option: 4

All of the above


Answers (1)

best_answer

We have learnt,

Cp -Cv = R

Also, \gamma =Cp/Cv

\Rightarrow C_p = \gamma\ C_v

Therefore, we can write

C_v\left ( \gamma -1 \right )=R

C_v =\frac{R}{ \gamma -1 }

And

C_p = \frac{\gamma R}{(\gamma-1) }

Also, the value of  Cp and Cv depends upon degree of freedom of molecules and the molecular weight of the molecule.


Hence, option number (3) is correct

Posted by

Rakesh

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