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Questions and Answers
What happens when light passes from one medium to another?
What happens when light passes from one medium to another?
- It splits into multiple beams
- It changes color
- It becomes polarized
- It changes speed and may change direction (correct)
What is the angle of reflection equal to?
What is the angle of reflection equal to?
- The angle of incidence (correct)
- Twice the angle of incidence
- Half the angle of incidence
- The angle of refraction
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- 299,792,458 meters per second (correct)
- 400,000,000 meters per second
- 300,000,000 meters per second
- 200,000,000 meters per second
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Study Notes
Light Passing Through Media
- When light passes from one medium to another, it undergoes refraction, which is the bending of light due to changes in its speed.
Reflection and Refraction
- The angle of reflection is equal to the angle of incidence, meaning that the angle at which light hits a surface is equal to the angle at which it bounces back.
Speed of Light
- The speed of light in a vacuum is a constant 299,792,458 meters per second (m/s).
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