1.

During the adiabatic change of ideal gas, the realation between the pressure and the density will be:A. `(P_1)/(P_2)= ((d_2)/(d_1))^(1/gamma)`B. `P_1d^gamma1= P_2d_2^gamma`C. `P_1d_1^(-gamma) = P_2d_2^(-gamma)`D. `(P_1)/(P_2)=((d_1)/d_2)^(1/gamma)`

Answer» Correct Answer - C
`(i) PV^(r) = constant`
`(ii) d =(m)/(v)`
`rArr v = (m)/(d)`
`rArr P((m^1)/(d))^(r) = constant`
`rArr (p)/(dr) = constant`
`rArr P_(1) d_(1)^-r = P_(2) d_(2)^-r`


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