Logarithm of readings of pressure and volume for an ideal monoatomic gas were plotted on a graph as shown in figure. By measuring the gradient, we can conclude that the process is:

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P V n = const ⇒ lo g P + n lo g V = K : gradient gives n . n = m = 0.2 2.38 − 2.10 ​ = 0.20 0.28 ​ = 5 7 ​ . For a monoatomic gas an adiabatic process needs n = γ = 3 5 ​  = 5 7 ​ : none of these.

Physics - Heat & Thermo Question with Solution | TestHub

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