Rankers Physics

Thermal Physics: Practice Problem & Solution

In thermodynamic processes which of the following statements is not true? (2009)
In an isochoric process pressure remains constant
In an isothermal process the temperature remains constant
In an adiabatic process $PV^\gamma = \text{constant}$
In an adiabatic process the system is insulated from the surroundings

Solution Explained:

To solve this problem, we apply the core principles of Thermal Physics. Understanding the underlying formula is key to arriving at the correct answer below:

An isochoric process is one in which volume remains constant, not pressure. Therefore, statement (a) is incorrect.

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