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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?
- 30,000,000 meters per second
- 299,792,458 meters per second (correct)
- 299,792,458 kilometers per second
- 3,000,000,000 meters per second
What is the primary color of light?
What is the primary color of light?
- Yellow
- White (correct)
- Green
- Red
What happens to the speed of light when it passes through a medium like glass?
What happens to the speed of light when it passes through a medium like glass?
- It decreases (correct)
- It becomes invisible
- It increases
- It remains the same
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