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You will be investigating many optical gadgets and how they work. To understand how they work, you will need to study light. You will need to study how we see light, how it can be reflected off the surfaces of different shapes, how it can be focused to form images, what is colour and how we use colour images.

This module is divided into seven parts:

  1. Introduction
  2. Questions to think about
  3. How we see
  4. Reflection of light
  5. Refraction
  6. Colour
  7. Conclusion.
Different optical gadgets


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