
The Zeroth law of thermodynamics leads to the concept of

Important Questions on Thermodynamics
Pressure versus temperature graph of an ideal gas at constant volume is shown by the straight-line . Now mass of the gas is doubled and the volume is halved then the corresponding pressure versus temperature graph will be shown by the line

Consider the following thermodynamical variables
(i) Pressure
(ii) Internal Energy
(iii) Volume
(iv) Temperature
Out of these, the intensive variable(s) is (are)

Consider the given diagram. An ideal gas is contained in a chamber (left) of volume and is at an absolute temperature It is allowed to rush freely into the right chamber of volume which is initially vacuum. The whole system is thermally isolated. What will be the final temperature, if the equilibrium has been attained?

Three different processes that can occur in an ideal monoatomic gas are shown in the vs diagram. The paths are labelled as and . The change in internal energies during these process are taken as and and the work done as and . The correct relation between these parameters are:















At temperature , the value of thermo electric power will be,

What is the temperature of the triple-point of water on an absolute scale whose unit interval size is equal to that of the Fahrenheit scale?




