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Light and Color

Light and Color. Instructor: Shelia Chase. Color. Isaac Newton was the first to make a systematic study of color. He passed a narrow beam of sunlight through a triangular-shaped glass prism and showed that light is made up of all the colors of the rainbow. Concepts.

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Light and Color

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  1. Light and Color Instructor: Shelia Chase

  2. Color • Isaac Newton was the first to make a systematic study of color. • He passed a narrow beam of sunlight through a triangular-shaped glass prism and showed that light is made up of all the colors of the rainbow.

  3. Concepts • Newton called the spread of colors a spectrum. • The colors form in the order of red, orange, yellow, green, blue and violet. • Sunlight is an example of white light. • All the colors on top of each other produce white light. • Black is the absence of light, it absorbs light.

  4. Reflection & Absorption • Most materials absorb light of some frequencies and reflect the rest. • If a material absorbs light of most visible frequencies and reflects red, the material appears red. • If material absorbs all the light that shines on it, it reflects none and is black.

  5. Light and Color • http://www.youtube.com/watch?v=DThUKDM_Wtk

  6. Physics is fun!

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