Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 58 - 61 of 64

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Question number: 58

» Thermodynamic and Statistical Physics » Micro-Canonical Functions

Appeared in Year: 2016

MCQ▾

Question

The partition function of a two – level system governed by the Hamiltonian,

is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 59

» Thermodynamic and Statistical Physics » Thermodynamic Potentials

Appeared in Year: 2016

MCQ▾

Question

An atom has a non – degenerate ground – state and a doubly – degenerate excited state. The energy difference between the two states is . The specific heat at very low temperatures is given by: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 60

» Thermodynamic and Statistical Physics » Fermi Gases

Appeared in Year: 2016

MCQ▾

Question

The electron in graphene can be through of as a two – dimensional relation , where and is a constant. If is the number of electrons per unit area, the energy per unit area is proportional to: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 61

» Thermodynamic and Statistical Physics » Classical and Quantum Statistics

Appeared in Year: 2016

MCQ▾

Question

Consider a gas of classical particles in a two – dimensional square box of side . If the total energy of the gas is , the entropy (apart from an additive constant) is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

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