1. Write down the postulates of free electron theory. Describe in detail.
2. What do you mean by a drift velocity and mean free path?
3. What do you mean by a relaxation time and collision time?
4. What do you mean by a electrical conductivity?
5. Describe thermal conductivity in detail.
6. Define Wiedemann- Franz law. Write down the value of Lorentz number.
7. Write down the merits and demerits of free electron theory.
8. Explain density of energy states in metal in detail.
9. Describe Fermi energy and give its importance in detail.
10. What do you mean by Fermi –Dirac distribution function?
11. What is the difference between the quantum and classical free electron theories?