**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.*