Consider two containers A and B containing pressure, volume and temperature. The gas in container
is compressed to half of its original volume isothermally while the gas in container B is compressed to half of its original value adiabatically. The ratio of final pressure of gas in
to that of gas in
is:
Text Solution
Verified by ExpertsA
Consider the
diagram shown for the container A (isothermal) and for container B (adiabatic).
Both the process involving compression of the gas.

(container A) (container B)
For isothermal process (gas A) (during
)

For adiabatic process, (gas B) (during
)

Hence,
ratio of final pressure 
where,
is ratio of specific heat capacities for the gas.
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