# Engineering Physics 1st Year Syllabus Complete Notes

Interference:

Diffraction:

Polarization:

LASER:

Fiber Optics:

Holography:

## Unit – I

### Crystal Structures and X-ray Diffraction:

• Space Lattice
• Basis
• Unit Cell
• Lattice Parameter
• Seven Crystal Systems and Fourteen Bravais Lattices
• Crystal-System Structure
• Packing Factor (cubic, body and face)
• Crystal Structure of NaCl and Diamond
• Lattice Planes and Miller Indices
• Reciprocal Lattice
• Diffraction of X-rays by Crystal
• Laue’s Experiment
• Bragg’s Law
• Bragg’s Spectrometer
• Compton Effect.

## Unit – II

### Dielectric and Magnetic Properties of Materials:

Dielectric Properties:

• Dielectric constant of dielectric materials
• Polarization of dielectric materials
• Types of Polarization (Polarizability)
• Equation of internal fields in liquid and solid ( One- Dimensional)
• Claussius Mussoti- Equation
• Ferro and Piezo electricity (Qualitative)
• Frequency dependence of dielectric constant,
• Dielectric Losses,
• Important applications of dielectric material,
• Ferroelectricity
• Piezoelectricity

Magnetic Properties:

• Magnetization
• Origin of magnetic moment
• Dia, para and ferro magnetism,
• Langevin’s theory for dia and paramagnetic material,
• Phenomena of hysteresis and its applications.

## Unit-III

### Electromagnetic Theory:

• Current
• Equation of continuity
• Electromagnetics
• Displacement Current
• Maxwell’s Equations (Integral and Differential Forms)
• Equation of continuity
• EM- Wave equation and its propagation characteristics in free space
• Propagation characteristics in conducting media
• Poynting theorem & Poynting vectors
• EM – Wave equation and its propagation characteristics in free space, nonconducting and in conducting media
• Energy density of electromagnetic wave
• Skin depth.

## Unit – IV:

### Band Theory of Solids:

• Free electron Theory
• Formation of bands in Solids
• Classification of solids on band theory
• Density of states
• Fermi-Dirac distribution
• Concept of effective mass
• Charge carrier density (electrons and holes)
• Conductivity of semiconductors
• Carrier concentrations Fermi energy
• Position of Fermi level in intrinsic and in extrinsic semiconductors
• Temperature dependence of conductivity in semiconductors

## Unit-V

### Physics of some Technologically Important Materials:

Superconductors:

Nano-Materials:

• Basic principle of nanoscience and technology
• structure,
• properties and uses of Fullerene and Carbon nanotubes,
• Applications of nanotechnology.

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