HC Verma - Concepts of Physics Part 2

Book: HC Verma - Concepts of Physics Part 2

Chapter: 27. Specific Heat Capacities of Gases

Subject: Physics - Class 12th

Q. No. 4 of Objective II

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Consider the processes A and B shown in figure. It is possible that

From the graph, we can see that the slope of process B is steeper than that of process A.

Now in an isothermal process, under constant temperature, Pressure(P) x Volume(V) = constant … (i) (according to Boyle’s law)

Differentiating on both sides:

PdV + VdP = 0.

slope = = … (ii)

For an adiabatic process,

PV = constant


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