engineering recuitment UPCL AE (E&M) 2021 Mock Test Thermodynamics Properties of Pure Substances P-V-T (Pressure-Volume-Temperature) Surface
The critical point of a substance corresponds to the state
1
At which the solid, liquid and vapor phases are in equilibrium
2
Beyond which liquid will required very large amount of heat to become vapour
3
Beyond which solid sublimates directly to the vapor state
4
Beyond which the distinction between liquid and vapour phases disappears