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Questions and Answers
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- 300,000,000 meters per second
- 200,000,000 meters per second
- 250,000,000 meters per second
- 299,792,458 meters per second (correct)
What is the fastest speed at which light can travel?
What is the fastest speed at which light can travel?
- 250,000,000 meters per second
- 200,000,000 meters per second
- 300,000,000 meters per second
- 299,792,458 meters per second (correct)
What is the speed of light in air?
What is the speed of light in air?
- Equal to in a vacuum
- Not related to the speed in a vacuum
- Slightly more than in a vacuum
- Slightly less than in a vacuum (correct)
The speed of light is....... In vacuum
The speed of light is....... In vacuum
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Study Notes
Speed of Light
- The speed of light in a vacuum is the fastest speed at which light can travel.
- The speed of light in a vacuum is a specific value, indicating a constant and maximum speed.
- The speed of light in air is slightly slower than in a vacuum due to the presence of air molecules.
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