Thermodynamics and Statistical Physics-Classical and Aquantum Statistics (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 1 - 4 of 10

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Question number: 1

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2014

MCQ▾

Question

For a gas under isothermal conditions, its pressure P varies with volume V and Equation . The bulk module B is proportional to –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2012

MCQ▾

Question

At a certain temperature T, the average speed of nitrogen molecules in air is found to be Equation . The most probable and the root mean square speeds of the molecules are, respectively –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2012

MCQ▾

Question

Which one of the following cannot be explained by considering a harmonic approximation for the lattice vibrations in solids?

Choices

Choice (4) Response

a.

Thermal expansion

b.

Optical branches in lattices

c.

Debye’s Equation law

d.

Dulong – Petit law

Question number: 4

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2012

MCQ▾

Question

A classical gas of molecules, each of mass Equation , is in thermal equilibrium at the absolute temperature, Equation . The velocity component of the molecules along the Cartesian axes are Equation and Equation . The mean value of Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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