problem1) Answer all the problems:
i) prepare down the properties of absolute temperature?
ii) Two states of energy gap 6.9x10^{-21}J have relative probability of e^{2}. Compute the temperature of the complete system.
iii) prepare down the second law of thermodynamics.
iv) Describe the concept of triple point.
v) 1kg. water (at 30^{o}C) is mixed with 2kg water (at O^{o}C) compute the change in entropy.
problem2) What is carnot engine? Derive an expression for efficiency calculation of carnot engine.
problem3) Expalin and derive clausius - clapeyson equation.
problem4) What is the concept of liquid helium I and II? Describe the abnormal properties of liquid He.