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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4

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


Where,


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