GATE Physics: Questions 260 - 263 of 622

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Question number: 260

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2011

MCQ▾

Question

A system of Equation non – interacting and distinguishable particle of spin 1 is in thermodynamic equilibrium. The entropy of the system is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 261

» Solid State Physics » Diffraction Methods for Structure Determination

Appeared in Year: 2013

MCQ▾

Question

Two gases separated by an impermeable but movable partition are allowed to freely exchange energy. At equilibrium, the two sides will have the same –

Choices

Choice (4) Response

a.

Pressure and volume

b.

Volume and energy

c.

Volume and temperature

d.

Pressure and temperature

Question number: 262

» Atomic and Molecular Physics » Spectra of One- and Many-Electron Atoms

Appeared in Year: 2011

MCQ▾

Question

The far infrared rotational absorption spectrum of a diatomic molecule shows equidistance lines with spacing Equation . The position of the first Stokes line in the rotational Raman spectrum of this molecule is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Passage

The tight binding energy dispersion Equation relation for electrons in a one – dimensional array of atoms having lattice constant Equation and total length Equation is, Equation ; where Equation and Equation are constants and Equation is the wave – vector.

Question number: 263 (1 of 2 Based on Passage) Show Passage

» Solid State Physics » Band Theory of Solid

Appeared in Year: 2011

MCQ▾

Question

The density of states of electrons (including spin degeneracy) in the band is given by –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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