APPLIED PHYSICS – II

 APPLIED PHYSICS – II

Download Lesson Plan Pdf

UNIT I

Quantum Mechanics:

1. Basic Postulates of Quantum mechanics, de-Broglie hypothesis for wave /particle Duality, Davisson and Germer experiment, and derivation of Expression for De Broglie wavelength (Non-relativistic case).
2. 14 Wave function and its physical significance, Wave Packet, Phase, and group velocities, Uncertainty principle (Derivation & Applications).
3. Quantum Mechanical operators and Schrodinger‘s Wave Equation (SWE)for free particle, Time-dependent Schrodinger equation independent.
4. Solution of Problem of Particle in a Box (1-D) by SWE.

UNIT II

Quantum Statistics:

1. Introduction to Black body radiation and difficulties encountered in explaining black body spectrum.
2. Planck’s radiation formula and derivation of Wien’s and Rayleigh-Jeans Laws From Planck’s Formula.
3. Basic ideas of Distribution laws in statistical Physics: Qualitative features of Maxwell-Boltzmann, Bose-Einstein and Fermi-Dirac Statistics.
4. Comparison of three statistics without derivation, Applications of these three statistics.

UNIT III

Crystal Structure:

1. Types of solids, Unit cells, Types of crystals.
2. Translation vectors, Lattice planes, Miller indices.
3. Simple crystal structures, Interplaner spacing, Crystal structure analysis.
4. Bragg’s law, Laue method, Numerical Problems.
5. Point defects: Schottky and Frankel defects.

UNIT IV

Band Theory of Solids

1. Introduction, Kronig-Penney model: E-k diagram,
2. The effective mass of an electron.
3. Intrinsic semiconductors: Electron concentration in the conduction band, Hole concentration in the valence band.
4. Extrinsic semiconductor: p-type and n-type semiconductors.
5. Fermi level, and its explanation.
6. Hall Effect: Hall voltage and Hall coefficient, and its Experimental Verification.