Condensed Matter Physics-Bonding of Solids (CSIR Physical Sciences): Questions 1 - 2 of 2

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Question number: 1

» Condensed Matter Physics » Bonding of Solids

Appeared in Year: 2014

MCQ▾

Question

The van der Waals’ equation of state for a gas is given by, (P+aV2)(Vb)=RT Where P, V and T represent the pressure, volume and temperature respectively, and a and b are constant parameters. At the critical point, where all the roots of the above cubic equation are degenerate, the volume is given by, (June – 2014)

Choices

Choice (4) Response
a.

a9b

b.

3b

c.

8a27bR

d.

a27b2

Question number: 2

» Condensed Matter Physics » Bonding of Solids

Appeared in Year: 2012

MCQ▾

Question

The radius of the Fermi sphere of free electrons in a monovalent metal with an fcc structure, in which the volume of the unit cell is a3 is –

(December)

Choices

Choice (4) Response
a.

(3π2a3)13

b.

1a

c.

(12π2a3)13

d.

(π2a3)13

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