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  1. Light - Wikipedia

  2. Light | Definition, Properties, Physics, Characteristics, Types ...

  3. Light Definition & Meaning - Merriam-Webster

  4. How Light Works - HowStuffWorks

  5. Light and its properties | Britannica

  6. Light - Simple English Wikipedia, the free encyclopedia

  7. Light - Electromagnetic, Wavelength, Spectrum | Britannica

  8. Light (Physics): What Is It & How Does It Work? - Sciencing

  9. What is light? A guide to waves, particles, colour and more

  10. What Is Light? - HowStuffWorks