1.

For a gas `R/C_V` = 0.4, where R is the universal gas constant and C, is molar specific heat at constant volume. The gas is made up of molecules which areA. rigid diatomicB. monoatomicC. non-rigid diatomicD. polyatomic

Answer» Correct Answer - A
According to question , `(R)/(C_(v))=0.4`
[R = universal constant and
`C_(v)`=molar specific heat at constant volume]
As we know, `C_(p)-C_(v)=R` `"So " (C_(p)C_(v))/(C_(v))=0.4`
`rArr" " (C_(p))/(C_(v))=0.4+1=1.4`
`"i.e "Y=1.4`
As Y = 1.4 , the gas is diatomic in nature.


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