Condensed Matter Physics (CSIR Physical Sciences): Questions 14 - 16 of 16

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Passage

A flux quantum (fluxoid) is approximately equal to 2×107gausscm2 . 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 2π×105 gauss. (June)

Question number: 14 (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.

100

b.

10

c.

1000

d.

314

Passage

The two dimensional lattice of graphene is an arrangement of Carbon atoms forming a honeycomb lattice of lattice spacing a , as shown below. The Carbon atoms occupy the vertices. (June)

The two dimensional lattice

The Two Dimensional Lattice

In figure the two dimensional lattice of graphene is an arrangement of Carbon atoms forming a honeycomb lattice spacing a is shown.

Question number: 15 (1 of 2 Based on Passage) Show Passage

» Condensed Matter Physics » Bravais Lattices

Appeared in Year: 2011

MCQ▾

Question

The Bravais lattice for this array is a –

Choices

Choice (4) Response

a.

Rectangular lattice with basis vector d1 and d2

b.

Hexagonal lattice with basis vector a1 and a2

c.

Rectangular lattice with basis vector c1 and c2

d.

Hexagonal lattice with basis vector b1 and b2

Question number: 16 (2 of 2 Based on Passage) Show Passage

» Condensed Matter Physics » Bravais Lattices

Appeared in Year: 2011

MCQ▾

Question

The Wigner – Seitz cell has an area of –

Choices

Choice (4) Response

a.

32a2

b.

332a2

c.

63a2

d.

2a2

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