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P-V plots for two gases during adiabatic...

P-V plots for two gases during adiabatic processes are shown in the figure. Plots 1 and 2 should corresponds respectively to

A

He and `O_(2)`

B

`O_(2)` and He

C

He and Ar

D

`O_(2)` and `N_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B

For Adiabatic process
`PV^(gamma)=` constant
and `(dP)/(dV)=-gammaP`
`|"slope"|_(2)gt|"slope"_(1)|impliesgamma_(2)gtgamma_(1)`
Also `gammaO_(2)gtgammaHe`
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