In Fermi-Dirac statistics, the probability of electron occupation of an energy l

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Question
In Fermi-Dirac statistics, the probability of electron occupation of an energy level equal to Fermi level is
Options
A. 0
B. 0.25
C. 0.5
D. 1

Correct Answer

0.5

Materials and Components problems

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2. The application of magnetic field to superconducting material
Options
A. increases transition temperature
B. decreases transition temperature
C. has no effect on transition temperature
D. may increase or decrease the transition temperature

5. Resistivity of copper is lower than that of nickel. When a small percentage of copper is added to nickel, the resistivity
Options
A. increases
B. decreases
C. may increase or decrease
D. remains the same

9. Assertion (A): The regular or irregular stacking of atoms has importanteffect on properties of materials.
Reason (R): The arrangement of atoms in a given material can be studied using X-rays.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

10. Assertion (A): Both sodium and ferrous are ferromagnetic.
Reason (R): Both sodium and ferrous have body centred cubic structure.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

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