Thermodynamic and Statistical Physics-Free Energy (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4 - 7 of 9

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Question number: 4

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2012

MCQ▾

Question

The free energy of gas of N particles in a volume V and at a temperature T is Equation where Equation is a constant and Equation denotes the Boltzmann constant. The internal energy of the gas is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2011

MCQ▾

Question

If the number density of a free electron gas in three electron gas in three dimensions is increase eight times, its Fermi temperature will –

(December)

Choices

Choice (4) Response

a.

Increase by a factor of 4

b.

Decrease by a factor of 8

c.

Increase by a factor of 8

d.

Decrease by a factor of 4

Question number: 6

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2013

MCQ▾

Question

If the energy dispersion of a two – dimensional electron system is Equation , where Equation is the velocity and k is the momentum, then the density of states Equation depends on the energy as, (June)

Choices

Choice (4) Response

a.

Equation

b.

Constant

c.

Equation

d.

E

Question number: 7

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2012

MCQ▾

Question

The free energy difference between the superconducting and the normal states of a material is given by, Equation where Equation is an order parameter and Equation and Equation are constants such that Equation in the normal and Equation in the superconducting state, while Equation always. The minimum value of Equation is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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