**[Cr:3, Lc:2, Tt:1, Lb:0]**

- Mechanical Waves. Review of oscillators and systems of coupled oscillators. Waves on a string and membrane. Waves in an elastic medium: Pressure waves and shear waves. Acoustic resonators. Speed of a wave and wave impedance, shock waves.
- Electromagnetic waves: Review of Maxwell's equations. Wave solutions to Maxwell's equations. Energy and momentum of electromagnetic radiation. Poynting theorem and conservation laws.
- Reflection and refraction of waves from interfaces. Fresnel Coefficients. Interference of light: interferometers and devices based on two-beam interference.
- Diffraction of light: Scalar wave approximation. Kirchoff integral, Kirchoff-Fresnel boundary conditions. Fraunhoffer diffraction, Babinet principle, diffraction gratings.
- Lorentz model for dispersive media. Pulse propagation in a dispersive medium.
- Coherence theory: basic ideas of coherence. Temporal coherence, bandwidth of light. Spatial coherence, basic ideas of intensity correlations.

- A. P. French, Vibrations and Waves (The M.I.T. Introductory Physics series), CBS Publishers and distributers, New Delhi (1987).
- H. J. Pain, The physics of vibration and waves, 6th edition, Wiley and Sons Ltd. New Delhi (2005).
- E. Hecht, Optics, 4th edition, Pearson Education Inc., New Delhi (2007).
- F. S. Crawford Jr., Waves (Berkeley Physics Course Vol. 3), Special Indian Ed., Tata McGraw Hill Co. New Delhi (2008).
- M. V. Klein and T. E. Furtak Optics, 2nd edition, Wiley (1986).