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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoDifferent processesEasy2 minQB

PhysicsEasysingle choice

The pressure and density of a diatomic gas change adiabatically from $(P, d)$ to $(P^{'}, d^{'})$ . If $\frac{d}{d ^{'}} = 32$ , find $\frac{P}{P ^{'}}$ .

Options:

Answer:

Solution:

For a diatomic ideal gas,
$γ = \frac{7}{5}$
Adiabatic change gives
$P \propto d^{γ}$
$\frac{P}{P ^{'}} = 3 2^{\frac{7}{5}} = 128$

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Different processes

⏱ 2mℹ️ Source: QB

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