Condensed Matter Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 14 - 17 of 19

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Passage

A flux quantum (fluxoid) is approximately equal to Equation . 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 Equation 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Passage

The two dimensional lattice of graphene is an arrangement of Carbon atoms forming a honeycomb lattice of lattice spacing Equation , 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 Equation and Equation

b.

Hexagonal lattice with basis vector Equation and Equation

c.

Rectangular lattice with basis vector Equation and Equation

d.

Hexagonal lattice with basis vector Equation and Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 17

» Condensed Matter Physics » Reciprocal Lattice

Appeared in Year: 2016

MCQ▾

Question

Consider a hexagonal lattice with basis vectors as shown in the figure below.

 A hexagonal lattice

a Hexagonal Lattice

In figure a hexagonal lattice is shown.

If the lattice spacing is Equation , the reciprocal lattice vectors are: (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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