Atomic and Molecular Physics-X-Ray Spectra (GATE Physics): Questions 1 - 1 of 1

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Question number: 1

» Atomic and Molecular Physics » X-Ray Spectra

Appeared in Year: 2014

MCQ▾

Question

The energy, εk for band electrons as a function of the wave vector, k in the first Brillouin zone (πakπa) of a one dimensional monatomic lattice is shown as ( a is lattice constant)

The energy as a function of the wave vector

The Energy as a Function of the Wave Vector

In figure the energy for band electrons as a function of the wave vector in the first Brillouin zone of a one dimensional monatomic lattice is shown as.

The variation of the group velocity vk is most appropriately represented by

Choices

Choice (4) Response

a.

The variation of the group velocity - Choice – A

The Variation of the Group Velocity - Choice – A

In figure the variation of the group velocity with respect to wavevector is shown.

b.

The variation of the group velocity - Choice – B

The Variation of the Group Velocity - Choice – B

In figure the variation of the group velocity with respect to wavevector is shown.

c.

The variation of the group velocity - Choice – C

The Variation of the Group Velocity - Choice – C

In figure the variation of the group velocity with respect to wavevector is shown

d.

The variation of the group velocity - Choice – D

The Variation of the Group Velocity - Choice – D

In figure the variation of the group velocity with respect to wavevector is shown

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