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Pressure versus Temperature graph of an ideal gas is shown below. Then which of the options that follow forms the corresponding P-V Diagram?



(A) image $\quad$ (B) image

(C) image $\quad$ (D) image

1 Answer

For an ideal gas, PV = nRT.
From A to B, pressure varies linearly with temperature $\rightarrow$ volume must be constant.
From B to C, temperature is constant with decreasing pressure, so its an isothermal expansion.
For C to A, presure is constant and temperature is decreasing, and so is volume.
So, the PV diagram looks like this:
answered Jan 22, 2014 by balaji.thirumalai

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