Dr. A.P.J. Abdul Kalam University MSC (Physics) II SEM Statistical Mechanics [MSP202T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Science (Physics)

Second Semester Main Examination, June-2021

Statistical Mechanics [MSP202T]

Time: 3:00 Hrs Max Marks 85

Note: Attempt all questions are compulsory. All questions carry equal marks.

Q.1 (a) Describe specification of states of a system.

(b) Explain classical ideal gas in ropy of mixing & Gibbs paradox.

OR

(a) Explain Micro conical ensemble.

(b) What do understand partition function.

Q.2 (a) Describe Maxwell Boltzmann theory.

(b) Explain Fermi Dirac & Bose-Einstein statistics.

OR

(a) Bose-Einstein condensation.

(b) Write properties of ideal Fermi gas.

Q.3 (a) Explain the cluster expansion for a classical gas.

(b) Explain Virial equation of state.

OR

(c) Mean field theory of using model in 3 dimension.

(d) Explain exact solution in one dimension.

Q.4 (a) Describe expansion of a classical gas.

(b) Explain Brownian motion.

OR

(a) Describe thermodynamics fluctuation.

(b) Explain Langevin theory.

Q.5 (a) Describe energy and density fluctuation.

(b) Write Boltzmann transport equation.

 OR

(a) Write Onsager reciprouty relation.

(d) Describe Fokker Pauk equation.

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