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Phy 161:
Waves & Oscillations, Geometrical Optics and Wave Mechanics**

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

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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.*

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Geometrical Optics:**
Combination of lenses: Equivalent lens and equivalent focal length, Cardinal
points of a lens, Power of a lens; Defects of images: Spherical aberration,
Astigmatism, Coma, Distortion, Curvature, Chromatic aberration; Optical
instruments: Compound microscope, Polarizing microscope, Resolving power of a
microscope, Camera and photographic techniques.*

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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.*