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Official Syllabus

BAS101Engineering Physics

B.Tech. — Semester I (Common to all branches) · L-3 T-1 P-0, Credits: 4

Reproduced from the official Scheme of Instruction & Syllabi published by Invertis University (invertisuniversity.ac.in) for this course.

Module I — Relativity & Interference (10 contact hrs)

  • Frame of reference, Galilean transformation, inertial and non-inertial frames
  • Postulates of special relativity, Michelson–Morley experiment
  • Lorentz transformation of space and time, length contraction, time dilation
  • Addition of velocities, variation of mass with velocity, mass–energy equivalence, momentum–energy transformation
  • Theory of interference of light, conditions for sustained interference
  • Fresnel's biprism experiment and fringe displacement
  • Interference in thin films — wedge-shaped film and Newton's rings

Module II — Diffraction & Polarization (10 contact hrs)

  • Single, double and N-slit diffraction
  • Diffraction grating, grating spectra
  • Rayleigh's criterion and resolving power of a grating
  • Double refraction in crystals; quarter-wave and half-wave plates, Nicol prism
  • Production and analysis of plane, circularly and elliptically polarized light
  • Optically active substances, Fresnel's theory of optical activity
  • Specific rotation and polarimeters

Module III — Laser, Holography & Fibre Optics (9 contact hrs)

  • Spontaneous and stimulated emission, Einstein coefficients
  • Construction and working of Ruby and He-Ne lasers, laser applications
  • Basic principle of holography; construction and reconstruction of the image on a hologram, applications
  • Fundamentals of optical fibre, types of fibres
  • Acceptance angle and cone, numerical aperture
  • Propagation mechanism and communication in optical fibre
  • Attenuation, signal loss and dispersion in optical fibre