BTBS102/202 Engineering Physics 4 Credits

Course Objectives:

1. To provide a firm grounding in the basic physics principles and concept to resolve many Engineering and technological problems.

2. To understand and study the Physics principles behind the developments of Engineering materials.

Course Outcomes:

Students will be able to :

1. Explain & apply the concept of types of Oscillation, Dielectric properties & ultrsonic

2. Explain & compare between Interference & Polarisation of light, working Principle of Lasers & Fiber optics

3. Interpret, apply &demonstrate principle of motion of charged particles in EF&MF, Bainbridge Mass spectrograph &G M counter

4. Identify Types of crystals & crystal planes using Miller indices, Experimental approach.

Unit I: Oscillation and Ultrasonic: (07 Hrs)

Free oscillation, damped oscillation, Forced oscillation and Resonance, differential wave equation, Ultrasonic waves, production of ultrasonic (Piezoelectric effect, Magnetostriction effect) and its applications

Unit II: Optics, Fibre Optics and Laser: (07 Hrs)

Interference of light in thin film, wedge shaped film, Newton’s rings, polarization of light, methods for production of polarized light(Reflection, Refraction& Double refraction), Huygens theory of double refraction, Principle and structure of optical fibre, acceptance angle, acceptance cone, numerical aperture.

Principle of laser, Types of laser – Ruby and He-Ne laser and their applications.

Unit III: Electron Optics, Nuclear and Quantum Mechanics: (07 Hrs)

Motion of electron in Electric field (parallel and perpendicular), Motion of electron in magnetic field, motion of electron in combined effect, Bainbridge mass spectrograph,

G. M counter, Heisenberg’s uncertainty principle, Schrödinger’s time dependent and time independent wave equations, physical significance of wave function.

Unit IV: Crystal Structure, X-rays and Electrodynamics (07 Hrs) Unit cell, Bravais lattice, cubic system, number of atoms per unit cell, coordination number, atomic radius, packing density, relation between lattice constant and density, lattice planes and Miller indices, X-ray diffraction, Line and Continuous Spectrum of X-ray, Introduction of Maxwell equations (no derivation).

Unit V: Magnetic, Superconducting and Semiconducting materials: (07 Hrs) Types of magnetic materials (Diamagnetic, Paramagnetic and Ferromagnetic), B-H curve, Superconductivity, types of superconductors, Meissner effect, properties and applications of superconductor, Band theory of solids, conductivity of semiconductors, Hall effect.

Expected Outcome:

1. The student will be able to understand Engineering problems based on the principle of Oscillation, Ultrasonics, Optics, Laser, Fibre optics, Nuclear physics, Quantum mechanics.

2. The student will be able to understand Fundamental of Electrodynamics, Semiconductor, Dielectric, Magnetic and Superconducting materials which forms the base of many modern devices andtechnologies.

Text books:

1.      e-book of Engineering Physics, Prof S. G. Dahotre, Dr. S. N. Jadhav, Mr. A. S. Wakchaure, SEAM app.

2.      Engineering Physics M. N. Avadhanulu and P.G. Kshirsagar. S.Chandand Company LTD.

3.      Engineering Physics – Dr. L. N. Singh. Synergy Knowledge ware-Mumbai.

4.      Engineering Physics-R.K. Gaur and S. L.Gupta. Dhanpat Rai Publications Pvt. Ltd.-New Delhi.

5.      Fundamental of Physics - Halliday and Resnik. Willey Eastern Limited.

Reference books:

1. Introduction to Electrodynamics –David R.Griffiths.

2. Concept of Modern Physics – Arthur Beizer.TataMcGraw-HillPublishing Company Limited.

3. Optics – Ajoy Ghatak, MacGraw Hill Education (India) Pvt.Ltd.

4. Science of Engineering Materials- C.M. Srivastava and C. Srinivasan. New Age InternationalPvt.Ltd.

5. Solid State Physics – A.J. Dekker. McMillan India–Limited.

6. The Feynman Lectures on Physics VolI,II,III.

7. Introduction to solid state physics – Charles Kittel. John Willey and Sons 

At least 10 experiments should be performed from the following list

1. Newton’s rings - Determination of radius of curvature of Plano convex lens / wavelength of light
2. Wedge Shaped film - Determination of thickness of thin wire
3. Half shade Polarimeter - Determination of specific rotation of optically active material
4. Laser - Determination of wavelength of He-Ne laser light
5. Magnetron Tube - Determination of „e/m‟ of electron
6. G.M. Counter - Determination of operating voltage of G.M. tube
7. Crystal Plane – Study of planes with the help of models related Miller Indices
8. Hall Effect - Determination of Hall Coefficient
9. Four Probe Method - Determination of resistivity of semiconductor
10. Measurement of Band gap energy of Semiconductors
11. Study of I-V characteristics of P-N junction diode
12. Experiment on fibre optics
13. Ultrasonics Interferometer
14. B-H Curve Experiment
15. Susceptibility measurement experiment

BTBSE406A Physics of Engineering Materials 3 Credits

Course Objectives:
To understand and apply the Physics principles behind the development of Engineering Materials.

Expected Outcome:
The student will be able to understand fundamentals of Electrodynamics, crystal structure, semiconductors, Dielectric, Nanomaterials, Magnetic and superconductig materials. It forms the base of many modern advance devices and technology.

Unit-I: Crystallography                                                                                             (6 Hrs)

Crystal directions and planes, Diatomic crystal (CsCl, NaCl, Diamond, BaTiO₃) crystal imperfection, point defects, line defects, Surface and Volume defects, Structure properties relationship, Structure determination by X-ray diffraction.

Unit-II: Magnetic Materials:                                                                          (7 Hrs)

 Origin of magnetization using atomic theory, classification of magnetic materials and properties, Langevin’s theory of Dia, para and ferromagnetism, Soft and Hard magnetic materials and their uses, Domain theory of ferromagnetism, Hysteresis loss, Antiferromagnetic and Ferrimagnetic materials, Ferrites and Garnets, magnetic bubbles, magnetic recording.

Unit-III: Conducting and Superconducting Materials                                         (7Hrs)

Band Theory of solids, classical free electron theory of metals, Quantum free electron theory, Density of energy states and carrier concentrations, Fermi energy, Temperature and Fermi energy Distribution, Superconductivity, Factor affecting Superconductivity, Meissner effect, Type-I and Type-II superconductors, BCS theory, Josephson effect, High temperature superconductors, Application of superconductors (cryotron, magnetic levitation)

Unit-IV: Semiconducting Materials                                                              (6 Hrs)

Band structure of semiconductor, charge carrier concentration, Fermi level and temperature, Electrical conductivity, Hall effect in semiconductors, P-N junction Diode, Preparation of single crystals, LED, Photovoltaic cell.

Unit-V: Dielectric Materials                                                                                       (7Hrs)

 Dielectric constant and polarizability, types of polarization, temperature and frequency dependence of Dielectric parameter, Internal fields in solids, Clausius-Mosotti equation, dielectric loss, dielectric breakdown, ferroelectric, pyroelectric and piezoelectric materials, application of dielectric materials

Unit-VI: Nano Materials                                                                                            (7Hrs)

Nanomaterials: Introduction and properties, synthesis of nanomaterials, carbon nano tubes, characterization technique of nanomaterials- SEM, TEM, EDAX, FMR, XRD. Applications of nanomaterials.

Text Books:

1. Introduction to solid state Physics - C. Kittle
2. Science of Engineering Materials and carbon Nanotubes - C.M. Srivastava and C. Srinivasan
3. Solid State Physics - A. J. Dekker

Reference Books:

1. Material Science and Engineering - V. Raghavan
2. Electrical Engineering Materials - A. J. Dekker