Thermodynamic and Statistical Physics-Phase Equilibria (CSIR Physical Sciences): Questions 1 - 2 of 2

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Question number: 1

» Thermodynamic and Statistical Physics » Phase Equilibria

Appeared in Year: 2013

MCQ▾

Question

The entropy S of a thermodynamic system as a function of energy E is given by the following graph,

Entropy as a function of energy

Entropy as a Function of Energy

In figure the entropy S of a thermodynamic system as a function of energy E is shown.

The temperature of the phases A, B and C denoted by TA,TB and TC , respectively, satisfy the following inequalities – (December)

Choices

Choice (4) Response
a.

TC>TB>TA

b.

TA>TC>TB

c.

TB>TC>TA

d.

TB>TA>TC

Question number: 2

» Thermodynamic and Statistical Physics » Phase Equilibria

Appeared in Year: 2011

MCQ▾

Question

A particle is confined to the region x0 by a potential which increases linearly as u(x)=u0x . The mean position of the particle at temperature T is – (June)

Choices

Choice (4) Response
a.

u0kBT

b.

kBTu0

c.

(kBT)2u0

d.

kBTu0

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