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| 1. |
If the degrees of freedom of a gas are f, then the ratio of its specific heats (C_(p))/(C_(v)) is given by : |
| Answer» <html><body><p><<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>>`1-(2)/(f)`<br/>`1+(2)/(f)`<br/>`1+(1)/(f)`<br/>`1-(1)/(f)`</p>Solution :`C_(v)=f cdot (1)/(2) <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>` <br/> `C_(P) =C_(v)+R =(1)/(2) f R+R =((f)/(2)+1)R` <br/> `therefore gamma =(C_(P))/(C_(v))=((f)/(2)+1)(R)/((f)/(2) cdot R)=1+(2)/(f)` <br/> Thus, <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> choice is (b).</body></html> | |