Solid State Physics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 58 - 60 of 68

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Question 58

Solid State Physics

Appeared in Year: 2007

Question

MCQ▾

A piece of paraffin is placed in a uniform magnetic field . The sample contains hydrogen nuclei of mass which interact only with external magnetic field. An additional oscillating magnetic field is applied to observe resonance absorption. If is the factor of the hydrogen nucleus, the frequency, at which resonance absorption takes place, is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 59

Appeared in Year: 2008

Question

MCQ▾

The primitive translation vectors of the body centered cubic lattice are and . The primitive translation vector and of the reciprocal lattice are –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 60

Appeared in Year: 2006

Question

MCQ▾

Two dielectric materials and exhibits both ionic and orientation polarizabilities. The variation of their susceptibilities with temperature is shown in the figure, where is the relative dielectric constant. It can be inferred from the figure that

Graph Shows the Variation of Susceptibilities

Choices

Choice (4)Response

a.

is more polar and it has a higher value of ionic polarizability than that of

b.

is more polar and it has a smaller value of ionic polarizability than that of

c.

is more polar and it has a higher value of ionic polarizability than that of

d.

is more polar and it has a smaller value of ionic polarizability than that of

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