Condensed Matter Physics-Free Electron Theory (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 2 of 2

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 1

» Condensed Matter Physics » Free Electron Theory

Appeared in Year: 2014

MCQ▾

Question

The dispersion relation for electron in an f. c. c. crystal is given, in the tight binding approximation, by ; where a is the lattice constant and is a constant with the dimension of energy. The x – component of the velocity of the electrons at is – (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Condensed Matter Physics » Free Electron Theory

Appeared in Year: 2014

MCQ▾

Question

Consider an electron in a b. c. c. lattice with lattice constant . A single particle wavefunction that satisfies the Bloch theorem will have the form , with being – (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In