ENGINEERING PHYSICS

UNIT-I Electron optics

Positive rays-production properties, Determination of q/m by Thomson’s Parabolic method, Separation of isotopes by Bain bridge mass spectrograph. Aston’s mass Spectrograph. Aston’s mass Spectrograph, Electron refraction – Bethe’s Law, Cathode ray oscilloscope – Block diagram, Cathode Ray Tube (CRT), Construction and working – Time base circuit and trigger circuit and Applications of CRO.

X – Rays: Continuous and characteristics spectra, Diffraction of X – Rays, Bragg’s law, Bragg’s X-ray spectrometer, Applications of X-Rays. Compton’s effect – derivation of Compton Shift.

UNIT – 2: OPTICS

Interference: Appearance of Newton’s rings by reflected light, expression for diameter of dark and bright ring. Engineering applications of interference 1. Determination of refractive index of liquid 2. Testing of optical flatness.Michelson’s interferometer and its application for determination of Refractive index of thin film.

Diffraction: Diffraction light, Theory of Plane Transmission grating, Resolving power of diffraction grating.

Polarisation: quarter-wave plate and half-wave plat, Production and detection of plane, circularly, elliptically polarized light – optical activity, specific rotation, Laurentz’s half shade polarimetry, photoelasticity.

UNIT-3: SUPERCONDUCTIVITY AND MAGNETISM

Superconductivity: Introduction, critical magnetic field, Zero resistivity, Meissner effect, Isotope effect type I, type-II, Superconductor, BCS theory, applications of superconductor Josephshon junction, SQUID.

Magnetism: Introduction, Magnetic Susceptibility, properties of dia.para and ferromagnetic materials, Magnetic domain and Hysteresis loop, applications of magnetic materials.

UNIT-4: SEMICONDUCTORS AND MODERN PHYSICS:

Semiconductors: Introduction – Energy band structure of intrinsic and extrinsic semiconductors, Fermi Energy – Fermi Dirac distribution function – Position of Fermi level in intrinsic and extrinsic semiconductor and its variation with temperature (with derivations), Hall effect, Hall coefficient.

Modern Physics: Heisenberg’s uncertainty principle, Experimental illustration of uncertainty principle Schrodinger time dependent and time independent wave equation, physical significance of wave function.

Atomic structure: Zeeman effect – Classical expression for Zeeman shift, Raman effect – derivation for Raman shift.

UNIT-5: THEORY OF LIGHT AND SOUND:

Laser: Properties of LASER, Interaction of radiation with matter, spontaneous and stimulated emission, population inversion, Pumping mechanism (three level pumping, four level pumping), Construction and working of Ruby laser and Helium – Neon gas laser, Semiconductor laser.

Fiber optics: Basic structure and classification of optical fiber, Acceptance angle – Acceptance cone, numerical aperture, applications of optical fiber.

Acoustics: Echo, Reverberation and reverberation time, Absorption coefficient, Sabine’s formula – Acoustical design of a hall, Acoustical materials.

Ultrasonic: Limit of audibility – properties of ultrasonic waves, Production of ultrasonic wave by piezoelectric & magneto striction method, Applications of ultrasonic waves.

UNIT 6: NANOTECHNOLOGY

Introduction – Properties of Nanoparticles, Synthesis of Nanoparticles, Ball Milling, Sputtering, Sol-gel technique, Laser vaporization, electrodeposition and Chemical vapour deposition, applications.

Carbon Nano Tube (CNT): Introduction, types of CNT, Important Properties, Electric Magnetic Mechanical, Applications.

Text Books:

1. Engineering Physics – Gaur and Gupta, S.Chand publication

2. Engineering physics – Avadhanalu and Kshirsagar, S.Chand Publication

Reference Books:

1. Fundamentals of optics – Jenkins and White, McGraw Hill Publication.

2. A Text Book of Optics – Subrahmanyam, Brijlal, S.Chand Publication.

3. Fiber optic Communication – D.C. Agarwal. Wheeler Publication, New Delhi

4. Fiber optic communication – Keiser, McGraw Hill Publication

5. Engineering Physics – Hitendra K Malik, A.K.Singh, Tata McGraw Hill Education Private Limited, New Delhi.

6. Essential University Physics – Volume 1 and 2 – Richard Wolfson, Pearson, Noida.

7. Modern Physics B.L.Theraja, S.Chand and Company Ltd.

8. Engineering Physics Dattu R Joshi – Tata McGraw Hill education Private Limited

9. Nanotechnology, Principles and Practices – Dr. S.K. Kulkarni, Capital Publishing Co., New Delhi.