## ENGINEERING PHYSICS- 1

**Unit – I**

### Relativistic Mechanics

- Frames of Reference
- Inertial & Non-inertial Frames
- Michelson-Morley Experiment
- Einstein’s Postulates
- Galilean Transform Equations
- Lorentz Transformation Equations
- Length Contraction
- Time Dilation
- Relativistic Addition of Velocities
- Variation of Mass with Velocity
- Mass Energy Equivalence
- Concept of rest mass of photon

**Unit – II**

**Modern Physics:**

**Modern Physics:**

- Black body radiation spectrum
- Weins law and Rayleigh-Jeans law
- Assumption of quantum theory of radiation
- Wave Mechanics
- Planck’s law
- Wave-Particle Duality
- De-Broglie Matter Waves
- Bohr’s quantization rule
- Phase and Group Velocities
- Davisson-Germer Experiment
- Heisenberg Uncertainty Principle and Its Applications
- Wave Function and Its Significance
- Schrödinger’s Wave Equation (Time dependent and time independent)
- Particle in One Dimensional Potential Box
- Eigen Values and Eigen Function

**Unit – III**

### Wave Optics:

**Interference:**

- Interference
- Interference of Light
- Interference in Thin Films (Parallel and Wedge Shaped Film)
- Newton’s Rings

**Diffraction:**

- Introduction of Diffraction
- Single Diffraction
- Double Diffraction
- N- Slit Diffraction
- Diffraction Grating
- Grating Spectra
- Dispersive Power
- Rayleigh’s Criterion
- Resolving Power of Grating

**Unit – IV**

### Polarization and Laser:

*Polarization:*

- Phenomena of Double Refraction
- Nicol Prism
- Production and Analysis of Plane
- Circular and Elliptical Polarized Light
- Retardation Plate
- Optical Activity
- Fresnel’s theory
- Specific rotation

**LASER:**

- Modern Optics
- Laser
- Spontaneous Emission of Radiation
- Stimulated Emission of Radiation
- Population Inversion
- Einstein’s Coefficients
- Concept of 3 And 4 Level Laser
- Construction and Working of Ruby
- He-Ne Lasers
- Laser Applications

## Unit – V:

### Fiber Optics and Holography:

*Fiber Optics:*

- Fiber Optics
- Fundamental Ideas about Optical Fiber
- Propagation Mechanism
- Acceptance Angle and Cone
- Numerical Aperture
- Single and Multi-Mode Fibers
- Dispersion and Attenuation

*Holography:*

- Introsuction of Holography
- Basic Principle of Holography
- Construction and Reconstruction Of Image On Hologram
- Applications of Holography

## ENGINEERING PHYSICS- II

## 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: **

- Superconductor Definition
- Temperature dependence of resistivity in superconducting materials
- Effect of magnetic field (Meissner effect)
- Temperature dependence of critical field
- Type I and Type II superconductors
- BCS theory (Qualitative)
- High temperature Superconductors
- Applications of Superconductors

**Nano-Materials: **

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