Thermodynamic and Statistical Physics-Fermi Gases (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 3

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Question number: 1

» Thermodynamic and Statistical Physics » Fermi Gases

Appeared in Year: 2014

MCQ▾

Question

The pressure of a nonrelativistic free Fermi gas in three – dimension depends, at , on the density of fermions as. (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Thermodynamic and Statistical Physics » Fermi Gases

Appeared in Year: 2011

MCQ▾

Question

The energy levels of electrons of mass ‘m’ and charge ‘e’ confined in an area A in the xy – plane with a uniform magnetic field B applied in the z – direction are given by the degeneracy of each level is . The lowest level is completely filled and the others are empty. The Fermi energy , where, N is the total number of electrons, is – (December)

Choices

Choice (4) Response

a.

Coincident with the level

b.

Midway between the and the levels

c.

Midway between the and the levels

d.

Coincident with the level

Question number: 3

» 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.

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