TB Engineering Physics

SYLLABUS- ENGINEERING PHYSICS-I,
Unit- I : Relativistics Mechanics
Inertial & non-inertial frames, Galilean transformation equations, Michelson-Morley experiment,
Einstein ’s postulates, Lorentz transformation equations, Length contraction & time dilation, Addition of
velocities, Variation of mass with velocity, Mass energy equivalence.
Unit – II: Electromagnetics
Recapitulation of vector product, Gradient, Divergence & Curl, Statement and explanation of Gauss
divergence & Stokes theorems, useful vector identities.
Maxwell ’s equations (Integral and differential forms), Equation of continuity, Transverse nature of EM
waves, EM - wave equation and its propagation characteristics in free-space, Poynting vector.
Unit- III: Interference
Spatial and temporal coherence, Interference in thin films of uniform thickness and in wedge-shaped film
(qualitative), Newton’s rings, Anti reflection and high reflection coatings (qualitative), Interference
filters(qualitative).
Diffraction: Single and N- slit diffraction, Grating spectra, Rayleigh’s criterion of resolution, Resolving
power of grating.
Unit-IV: Polarization
Polarization by reflection and refraction, Double refraction, Nicol prism, Sheet polarizer, Production and
analysis of plane, circularly and elliptically polarized lights, Basic concepts of optical activity, Polarimeter
(Half shade).
Laser: Spontaneous and stimulated emission of radiation, Einstein’s coefficients, Construction and
working of Ruby, He-Ne and semiconductor lasers, Important laser applications(qualitative).
Unit–V: Fiber Optics and Holography
Fundamental ideas about optical fibers, Types of fibers, Acceptance angle and cone, Numerical aperture,
Propagation mechanism and communication in optical fiber, Attenuation, Signal loss in optical fiber and
dispersion.
Basic principles of holography, Construction of hologram and wave reconstruction, Applications of
holography (qualitative).