# Engineering Physics - II

 Course Code : NAS201 Author : uLektz University : Dr. A.P.J. Abdul Kalam Technical University, Uttar Pradesh Regulation : 2013 Categories : Computer Science Format : ePUB3 (DRM Protected) Type : eBook

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Description :Engineering Physics - II of NAS201 covers the latest syllabus prescribed by Dr. A.P.J. Abdul Kalam Technical University, Uttar Pradesh for regulation 2013. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT - I Crystal Structures and X-ray Diffraction

1.1 Space lattice, basis, Unit cell, Lattice parameter

1.2 Seven crystal systems and Fourteen Bravais lattices

1.3 Crystal-System Structure, Packing factor (cubic, body and face), Crystal structure of NaCl and diamond

1.4 Lattice planes and Miller Indices, Reciprocal Lattice

1.5 Diffraction of X-rays by crystal, Laue’s experiment, Bragg’s Law, Bragg’s spectrometer

###### UNIT - II Dielectric and Magnetic Properties of Materials

2.1 Dielectric Properties: Dielectric constant and Polarization of dielectric materials

2.2 Types of Polarization (Polarizability)

2.3 Equation of internal fields in liquid and solid (One- Dimensional), Claussius Mussoti- Equation

2.4 Frequency dependence of dielectric constant, Dielectric Losses, Important applications of dielectric material

2.5 Magnetic Properties: Magnetization, Origin of magnetic moment, Dia, para and ferro magnetism

2.6 Langevin’s theory for diamagnetic material, Phenomena of hysteresis and its applications

###### UNIT - III Electromagnetic Theory

3.1 Displacement Current, Equation of continuity,

3.2 Maxwell’s Equations (Integral and Differential Forms), Poynting theorem and Poynting vectors,

3.3 EM - Wave equation and its propagation characteristics in free space, Nonconducting and in conducting media, Skin depth.

###### UNIT - IV Physics of some Technologically important Materials

4.1 Semiconductors: Band Theory of Solids, Density of states,

4.2 Fermi-Dirac distribution, Free carrier density(electrons and holes),

4.3 Conductivity of semiconductors, Position of Fermi level in intrinsic and in extrinsic semiconductors.

4.4 Superconductors: Temperature dependence of resistivity in superconducting materials, Effect of magnetic field (Meissner effect), Temperature dependence of critical field,

4.5 Type I and Type II superconductors,

4.6 BCS theory (Qualitative), High temperature superconductors and Applications of Superconductors.

4.7 Nano-Materials: Basic principle of nanoscience and technology, Structure, Properties and uses of Fullerene and Carbon nanotubes, Applications of nanotechnology.