For an ideal gas undergoing an adiabatic process (where no heat is exchanged with the surroundings, Q=0), the relationship between pressure (P) and volume (V) is given by the equation PVʸ = constant, where y (gamma) is the adiabatic index, defined as the ratio of the specific heat capacity at constant pressure (Cp) to the specific heat capacity at constant volume (Cv), i.e., y = Cp/Cv.
Relationship between Pressure (P) and Volume (V) of gas undergoing adiabatic expansion is (y is ratio of specific heats at constant pressure and constant volume respectively).
Asked in WBCS Main Paper 4 2022 · Topic: Heat and Thermodynamics (Thermodynamic Processes (Isothermal, Adiabatic, Isobaric, Isochoric))
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