UNIT II. GEOMETRIC OPTICS

2.1 Reflection
- Explain the laws of reflection.
- Distinguish between regular and diffuse reflection and provide
  examples.

2.2 Spherical Mirrors
- Explain how concave and convex mirrors form images.
- Describe how real and virtual images are formed by mirrors.
- Locate images using ray diagrams and calculate image location
  and size using equations.

2.3 Refraction and Index of Refraction
- Explain Snell’s Law.
- Calculate the index of refraction in a medium.
- Describe the dispersion of light.

2.4 Total Internal Reflection
- Explain total internal reflection.
-  Define the critical angle.
-  Understand the construction of fiber optics.

2.5 Lenses
- Distinguish between converging and diverging lenses.
-  Describe how real and virtual images are formed by lenses.
-  Locate images using ray diagrams and calculate image location
  and size using equations.

2.6 The Eye and Defects of Vision
-  Describe the image formation of the eye.
- Explain how corrective lenses work for two common defects of vision.

2.7 The Camera, Microscope and Telescope
- Understand the basic principles of image formation of cameras,
  microscopes and telescopes.