Solid State Physics-Bonding in Solids (GATE Physics): Questions 1 - 3 of 3

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Question number: 1

» Solid State Physics » Bonding in Solids

Appeared in Year: 2014

MCQ▾

Question

The Miller indices of a plane passing through the three points having coordinates (0, 0,1),(1, 0,0),(12,12,14) are –

Choices

Choice (4) Response

a.

(111)

b.

(212)

c.

(121)

d.

(211)

Question number: 2

» Solid State Physics » Bonding in Solids

Appeared in Year: 2012

MCQ▾

Question

The ground state of sodium atom 11Na is a 2S12 state. The difference in energy levels arising in the presence of a weak external magnetic field B , given in terms of Bohr magneton, μB , is –

Choices

Choice (4) Response

a.

6μBB

b.

2μBB

c.

μBB

d.

4μBB

Question number: 3

» Solid State Physics » Bonding in Solids

Appeared in Year: 2013

MCQ▾

Question

The total energy of an ionic solid is given by an expression E=αe24πε0r+Br9 where α is Madelung constant, r is the distance between the nearest neighbors in the crystal and B is a constant. If r0 is the equilibrium separation between the nearest neighbors then the value of B is –

Choices

Choice (4) Response

a.

2αe2r0109πε0

b.

αe2r084πε0

c.

αe2r0836πε0

d.

αe2r01036πε0

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