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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoCyclic processMedium2 minQB

PhysicsMediumnumerical

One mole of an ideal gas undergoes a thermodynamic cyclic process as shown in the figure. The cyclic process consists of an isochoric, an isothermal and an adiabatic process. Adiabatic exponent of gas is $\frac{ℓ n 2 α}{ℓ n α}$ . Here $α$ is an integer. Find $α$ .

Answer:

3.00

Solution:

CA is adiabatic, BC is isothermal as per slope.

Hence $V_{1} = \frac{P _{0} V _{0}}{3 P _{0}} = \frac{V _{0}}{3}$

Using PV $γ =$ const $\Rightarrow γ = \frac{ℓ n 6}{ℓ n 3}$

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Cyclic process

⏱ 2mℹ️ Source: QB

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