CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 364 - 368 of 463

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Question number: 364

» Thermodynamic and Statistical Physics » Bose-Einstein Condensation

Appeared in Year: 2011

MCQ▾

Question

The excitations of a three – dimensional solid are bosonic in nature with their frequency and wave – number k are related by in the large wavelength limit. If the chemical potential is zero, the behaviour of the specific heat of the system at low temperature is temperature is proportional to – (December)

Choices

Choice (4) Response

a.

b.

c.

T

d.

Question number: 365

» Quantum Mechanics » Motion in Central Potential » Hydrogen Atom

Appeared in Year: 2011

MCQ▾

Question

A particle in one dimension moves under the influence of a potential , where is a real constant. For large the quantized energy level depends on as: (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Passage

A flux quantum (fluxoid) is approximately equal to . A type II superconductor is placed in a small magnetic field, which is then slowly increased till the field starts penetrating the superconductor. The strength of the field at this point is gauss. (June)

Question number: 366 (1 of 2 Based on Passage) Show Passage

» Condensed Matter Physics » Superconductivity » Type -II Superconductors

Appeared in Year: 2016

MCQ▾

Question

The applied field is further increased till superconductivity is completely destroyed. The strength of the field is now . The correlation length of the superconductor is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 367 (2 of 2 Based on Passage) Show Passage

» Condensed Matter Physics » Superconductivity » Type -II Superconductors

Appeared in Year: 2016

MCQ▾

Question

The penetrate depth of this superconductor is –

Choices

Choice (4) Response

a.

b.

c.

d.

Passage

Consider the matrix

(June)

Question number: 368 (1 of 1 Based on Passage) Show Passage

» Mathematical Methods of Physics » Matrices

Appeared in Year: 2011

MCQ▾

Question

The eigenvalues of M are –

Choices

Choice (4) Response

a.

1,1, 3

b.

c.

d.

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