Human vision and function/Part 1: Perception of objects/Answer questions about light and vision

Questions

1. What is light?
   
2. What is the visible light spectrum and what colours are represented?
   
3. Using only a couple of sentences briefly describe wave theroy and particle theory as they relate to the behaviour of light. (More will be covered on this topic later).
   
4. What is vision?
   
5. Describe the processed involved in perceiving an object or scene from the time you first look at it until you make your decision about what you have seen.
   
6. What is the general term given to cells in the eye that are sensitive to light?
   

Resources
Here are some resources that can help you answer the questions above. Of course you will also need to find your own materials. Don't forget that the La Trobe University Library has a vast range of excellent resources.

• Emerald Robinson. What is light?
  
• The Visible Spectrum
  
• Visual Perception
  
• How the eye sees