Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoDifferent processesMedium2 minPYQ_2021

PhysicsMediumsingle choice

The $P - V$ diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process $C D$ is (use $γ = 1.4)$ :

Options:

Answer:

Solution:

Adiabatic process is from $C$ to $D$
$W D = \frac{P_{2} V_{2} - P_{1} V_{1}}{1 - γ}$
$= \frac{P_{D} V_{D} - P_{C} V_{C}}{1 - γ}$
$= \frac{200 (3) - (100) (4)}{1 - 1.4}$
$= - 500 J$

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

⏱ 2mℹ️ Source: PYQ_2021

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