Question:

A graph of pressure versus volume for an ideal gas for different processes is as shown. In the graph curve OC represents

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Adiabatic slope = $\gamma \times$ Isothermal slope.
Updated On: Apr 10, 2026
  • isochoric process
  • isothermal process
  • isobaric process
  • adiabatic process
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The Correct Option is D

Solution and Explanation

Step 1: Identifying Curves
Curve OA: Pressure is constant (Isobaric). Curve OD: Volume is constant (Isochoric).
Step 2: Slope Comparison

Both Isothermal (OB) and Adiabatic (OC) curves are curves, but the adiabatic slope is steeper.
Step 3: Conclusion

Since OC is steeper than OB, it represents the Adiabatic process.
Final Answer: (d)
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