Temperature is defined by

1.  First Law of thermodynamics

2.  Second Law of thermodynamics

3.  Third Law of  thermodynamics

4.  Zeroth Law of  thermodynamics

Which of the following can not determine the state of a thermodynamic system?

Which of the following is not a thermodynamics co-ordinate ?

(1) P

(2) T

(3) V

(4) R

In an isothermal change, an ideal gas obeys:

A system goes from A to B via two processes I and II as shown in figure. If ΔU_I and ΔU_II are the changes in internal energies in the processes I and II respectively, then 

(1) ΔU_II > ΔU_I

(2) ΔU_II < ΔU_I

(3) ΔU_I = ΔU_II

(4) Relation between ΔU_I and ΔU_II can not be determined