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Statistical Physics Bsc 2nd

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Phase space is a ________

a)

3 Dimensional Space

b)

4 Dimensional Space

c)

5 Dimensional Space

d)

6 Dimensional Space

2.

Maxwell-Boltzmann law is for the ________

a)

Distinguishable particles

b)

Indistinguishable Particles

c)

Particles with half integral spin

d)

Particles with integral spin

3.

From the figure, what is the highest temperature?

a)

T1

b)

T2

c)

T3

d)

Insufficient information

4.

Choose the correct alternatives:

Select one or more :

a)

A boson gas will exert greatest pressure

b)

A fermion gas will exert greatest pressure

c)

A fermion gas will exert least pressure

d)

A boson gas will exert least pressure

5.

In a canonical ensemble:

Select one or more:

a)

The energy and temperature are constant

b)

temperature is constant

c)

density is constant

d)

entropy is constant

6.

In a grand canonical ensemble, a system A fixed volume is contact with a large volume reservoir B. Then

a)

A can exchange energy with B

b)

A can exchange particles with B

c)

A cannot exchange anything with B

d)

Both option 1 & option 2

7.

Which of the following statements is true

a)

Particles following F-D statistics are distinguishable

b)

Particles following F-D statistics are indistinguishable

c)

Particles following Maxwell Boltzmann statistics are indistinguishable

d)

Particles following B-E statistics are distinguishable

8.

Fermi-Dirac statistics cannot be applied to

a)

Electrons

b)

Photons

c)

Fermions

d)

Protons

9.

In Fermi-Dirac Statistics, one energy state can be occupied by more than one particle

a)

TRUE

b)

FALSE

10.

For all the quantum states with energy greater than Fermi energy to be empty in a Fermi-Dirac system, the temperature should be

a)

373 K

b)

273 K

c)

0 K

d)

100 K

11.

At T > 0K, the probability of a state with E > EF filled is zero

a)

TRUE

b)

FALSE

12.

The ratio of rms velocity to most probable velocity is

a)

√3 : √2

b)

√2 : √3

c)

3 : 2

d)

2 : 3

13.

The average kinetic energy associated with each degree of freedom is

a)

KT

b)

2KT

c)

KT/2

d)

KT/4

14.

The difference between fermions and bosons is that bosons’ wave function is

a)

Continuous

b)

Single Valued

c)

Symmetric

d)

Differentiable

15.

When bosons are cooled to a low enough temperature, their behavior changes.

a)

TRUE

b)

FALSE