Light and Color Fundamentals
Explore the basics of light, its properties, and how we perceive different colors.
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Light and Color Fundamentals
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Read each question carefully and answer to the best of your ability. Show all your work for short answer questions.
1. Which of the following colors has the longest wavelength in the visible light spectrum?
Blue
Green
Red
Violet
2. What happens to white light when it passes through a prism?
It becomes polarized.
It is absorbed completely.
It splits into its constituent colors.
Its speed increases.
3. The image below shows light passing through a prism. What is this phenomenon called?
Reflection
Refraction
Diffraction
Dispersion
4. The visible light spectrum consists of colors ranging from red to .
5. An object appears red because it red light and absorbs all other colors.
6. When all colors of the visible spectrum are combined, they produce light.
7. Black objects absorb all wavelengths of light and reflect none.
True
False
8. The color of an opaque object is determined by the colors of light it reflects.
True
False
9. Explain why a green leaf appears green under white light, but might appear black under red light.
10. Describe the difference between primary and secondary colors of light.