Imaging Technology (Unit E) Extra Credit Assignment # 1 Name:__________________ Period:______ Using the website www.rgbworld.com/color.html#add, answer the following questions. 1. What is color? 2. Describe Visible Light. 3. What are the differences between the Additive and Subtractive color spectrum systems? Using the website www.rapidgraphics.com/faq_gamut.html, answer the following questions. 1. What is gamut? 2. The RGB color gamut can only display approximately _________________ of the colors which can be perceived. 3. The CMYK color gamut reproduces about __________________ of perceivable colors. Using the website http://www.devx.com/projectcool/Article/19954/0/page/2, answer the following questions. 1. Visible light is a small part of the electromagnetic spectrum, between the wavelengths of _______ and _____________ nm (nanometers = billionth of a meter) 2. Describe what it was that Sir Isacc Newton discovered in 1666 that changed the way that we see and understand light today.