This unit includes a brief introduction of reflection of light, the basic concepts like refraction, total internal reflection, dispersion, scattering of light. The wave properties of light like interference, diffraction and polarization are also described in a qualitative manner.

1. Reflection and Refraction

  1. Laws of Reflection
  2. Ray Diagrams for Image Formation
  3. Mirror Formula
  4. Refraction of Light
  5. Total Internal Reflection
  6. Applications of Refraction and Total Internal Reflection
  7. Refraction at a Spherical Surface
  8. Reflection Through Lenses
  9. Lens Maker’s Formula and Magnification
  10. Power of a Lens
  11. Combination of Lenses

2. Dispersion and Scattering of Light

  1. Dispersion of Light
  2. Dispersion Through a Prism
  3. Angle of Deviation
  4. Scattering of Light

3. Wave Optics

  1. Huygens’ Principle
  2. Young’s Double Slit Experiment
  3. Diffraction at a Single Slit
  4. Polarization of Light

4. Optical Instruments

  1. Microscope
  2. Simple Microscope
  3. Compound Microscope
  4. Telescope
  5. Refracting Telescope
  6. Reflecting Telescope
  7. Resolving Power: The Rayleigh’s Criterion