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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB

PhysicsMediuminteger

A closed vessel 10 litres in volume contains air under a pressure of $1 0^{5}$ N/ $m^{2}$ . What amount of heat should be imparted to the air to increase the pressure in the vessel five times?

Answer:

10000

Solution:

Isochoric: $Q = \frac{V Δ P}{γ - 1} = \frac{0.01 \times 4 \times 1 0 ^{5}}{0.4} = 1 0^{4}$ J, with $γ = 1.4$ for air.

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

⏱ 2mℹ️ Source: QB

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