Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 56  58 of 64
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Question number: 56
» Thermodynamic and Statistical Physics » Classical and Quantum Statistics
Appeared in Year: 2012
Question
The dispersion relation of phonons in a solid is given by . The velocity of the phonons at large wavelength is, (June)
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Question number: 57
» Thermodynamic and Statistical Physics » Random Walk
Appeared in Year: 2016
Question
Consider a random walk on an infinite twodimensional triangular lattice, a part of which is shown in the figure below.
If the probabilities of moving to any of the nearest neighbor site are equal, what is the probability that the walker returns to the starting position at the end of exactly three steps? (December)
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Question number: 58
» Thermodynamic and Statistical Physics » MicroCanonical Functions
Appeared in Year: 2016
Question
The partition function of a two – level system governed by the Hamiltonian,
is: (December)
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