CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 172 - 175 of 463

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Question number: 172

» Quantum Mechanics » Wave-Function in Coordinate Representations

Appeared in Year: 2011

MCQ▾

Question

The wavefunction of a particle is given is given by , where and are the normalized eigenfunctions with energies and corresponding to the ground state and first excited state, respectively. The expectation value of the Hamiltonian in state is –

(June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 173

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2014

MCQ▾

Question

The matrices Satisfy the commutation relations (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 174

» Mathematical Methods of Physics » Introductory Group Theory - SU(2) and O(3)

Appeared in Year: 2011

MCQ▾

Question

Which of the following matrices is an element of the group SU (2)?

(June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 175

» Electromagnetic Theory » Electromagnetic Induction

Appeared in Year: 2014

MCQ▾

Question

A superconducting ring carries a steady current in the presence of a magnetic field normal to the plane of the ring. Identify the incorrect statement. (December)

Choices

Choice (4) Response

a.

The current density and are related by the equation where is a constant.

b.

The current and the magnetic field in the superconductor are time independent.

c.

The flux passing through the superconductor is quantized in unit of

d.

The superconductor shows an energy gap, which is proportional to the transition temperature of the superconductor.

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