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WorksheetsPG TRB unit 4
Total questions: 15
Worksheet time: 8mins
Boltzmann relation between entropy (S) and probability (V)is
S= kV
S=k log V
S= k/log V
V= k log S
Which of the following is a boson?
Alpha particles
Neutron
Positron
Proton
Fermi energy is
Zero
Energy is highest occupied level
Energy is lowest occupied level
Mean energy of electron in a metal
Fermi Dirac statistics applies to
A) positron
B) Neutron
A and B correct
A only correct
B only correct
A and B wrong
Ensemble is a
Large number of microscopically identical
Essential dependent system
Both are correct
Both are wrong
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
The transition of Helium takes place at
2.18K
2.18 C
5.18 K
4.2 K
According to Maxwell Boltzmann statistics,the entropy of a perfect crystal is
0
1
Infinity
-1
According to Liouvilles theorem
dp/dt= 1
dp/dt= -1
dp/dt=0
dp/dt= infinity
In thermionic emission the thermionic current varies with the temperature of the filament as
T
1/T
T^2
1/T^2
In a monoatomic gas the molecular phase space has dimension of
1
2
3
6
