GATE (Graduate Aptitude Test in Engineering) Physics: Questions 84 - 86 of 659

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Question number: 84

» Solid State Physics » Elements of Superconductivity » Type-I and Type-II Superconductors

Appeared in Year: 2015

MCQ▾

Question

Which one of the following represents the electron occupancy for a superconductor in its normal and superconducting states?

Choices

Choice (4) Response

a.

The electron occupancy: Choice A

The Electron Occupancy: Choice A

In figure the electron occupancy for normal state and superconducting state are given by graphs.

b.

The electron occupancy: Choice B

The Electron Occupancy: Choice B

In figure the electron occupancy for normal state and superconducting state are given by graphs.

c.

The electron occupancy: Choice C

The Electron Occupancy: Choice C

In figure the electron occupancy for normal state and superconducting state are given by graphs.

d.

The electron occupancy: Choice D

The Electron Occupancy: Choice D

In figure the electron occupancy for normal state and superconducting state are given by graphs.

Question number: 85

» Solid State Physics » Diffraction Methods for Structure Determination

Appeared in Year: 2014

Short Answer Question▾

Write in Short

Neutrons moving with speed are used for the determination of crystal structure. If the Bragg angle for the first order diffraction is , the interplanar spacing of the crystal is .

(Given: )

Question number: 86

» Electromagnetic Theory » Interference

Appeared in Year: 2014

MCQ▾

Question

In an interference pattern formed by two coherent sources, the maximum and the minimum of the intensities are and , respectively. The intensities of the individual waves are –

Choices

Choice (4) Response

a.

b.

c.

d.

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