(D) The work done by a gas during expansion is given by the area under the $P-V$ curve. For a given change in volume from $V_1$ to $V_2$,the pressure

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(D) The work done by a gas during expansion is given by the area under the $P-V$ curve. For a given change in volume from $V_1$ to $V_2$,the pressure $P$ remains higher in an isobaric process compared to an isothermal or adiabatic process. Since $W = \int_{V_1}^{V_2} P \, dV$,the area under the curve is largest for the isobaric process. Therefore,the work done by the gas is maximum when the expansion is isobaric.

Class 11 Physics Thermodynamics Isobaric and Isochoric Processes

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$A$ sample of a gas expands from volume $V_1$ to $V_2$. The amount of work done by the gas is maximum when the expansion is:

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A
Adiabatic
B
Equal in isothermal and isobaric
C
Isothermal
D
Isobaric

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$A$ sample of a gas expands from volume $V_1$ to $V_2$. The amount of work done by the gas is maximum when the expansion is:

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