Phy 163 : Waves & Oscillations, Physical Optics and Wave Mechanics

Credit Hours : 3:00 (Level-1, Term-2, IPE)


Waves & Oscillations: Differential equation of a simple harmonic oscillator, Total energy and average energy, Combination of simple harmonic oscillations, Lissajous’ figures, Spring- mass system, Calculation of time period of torsional pendulum, Damped oscillation, Determination of damping co-efficient. Forced oscillation, Resonance, Two-body oscillations, Reduced mass, Differential equation of a progressive wave, Power and intensity of wave motion, Stationary wave, Group velocity and phase velocity, Architectural acoustics, Reverberation and Sabine’s formula.


Physical Optics: Theories of light; Interference of light, Young’s double slit experiment, Displacement of fringes and its uses, Fresnel Bi-prism, Interference at wedge shaped films, Newton’s rings, Interferometer; Diffraction of light; Fresnel and Fraunhoffer diffraction, Diffraction by single slit, Diffraction from a circular aperture, Resolving power of optical instruments, Diffraction at double slit and N-slits-diffraction grating; Polarization; Production and analysis of polarized light, Brewster’s Law, Malus Law, Polarization by double refraction, Retardation plates, Nicol prism, Optical activity, Polarimeters, Polartoid. Laser and its applications.


Waves Mechanics: Principles of statistical physics, Probabilities, Classical statistics; Quantum statistics; Bose-Einstein statistics, Fermi-Dirac statistics and their applications; Fundamental postulates of wave mechanics, Time dependent Schrodinger equation, Schrodinger equation for one-electron atom and its solution.