Write a dissertation about rainbow phenomenon among different nationalities.

My dissertation is about rainbow phenomenon among different nationalities. My aim is to investigate the knowledge about the rainbow phenomenon among different nationalities. My objectives are : 1-To investigate the beliefs of people about this phenomenon and their knowledge. 2- To illustrate the newton theory of light and colors. 3-To view the different types of the rainbow. I want the following :- 1- Create main topic for my dissertation. 2- Do not change the aim. 3- Don’t change objective number 1, my supervisor want me to change objectives 2 and 3. 4- The references in Harvard style should be available and the page number. 5- I will attached my work to complete it as I required.