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PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesHard2 minQB

PhysicsHardsingle choice

An ideal gas (with $\frac{C _{p}}{C _{v}} = λ$ and $U = 0$ at 0 K) undergoes a reversible adiabatic process. Then, in terms of $U$ and $P$ :

Answer:

Solution:

$U \propto P V$ , so $V \propto \frac{U}{P}$ . $P V^{λ} = constant$ gives $P (\frac{U}{P})^{λ} = constant$ , i.e. $U^{λ} P^{1 - λ} = constant$ . A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases

⏱ 2mℹ️ Source: QB

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