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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB

PhysicsMediuminteger

An ideal gas with adiabatic exponent 1.5 is expanded adiabatically. How many times has the gas to be expanded to reduce the rms velocity of the gas molecules to half?

Answer:

Solution:

$v_{r m s} \propto T$ , so $T$ falls to one-fourth. $T V^{γ - 1} = constant$ with $γ - 1 = 0.5$ : $V_{2} = V_{1} \times 4^{2} = 16 V_{1}$ . 16 times.

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

⏱ 2mℹ️ Source: QB

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