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Questions and Answers
Which of the following is true about light?
Which of the following is true about light?
- Light travels faster in a vacuum than in air
- Light travels in straight lines (correct)
- Light travels faster in air than in water
- Light can only travel in a vacuum
What is the speed of light?
What is the speed of light?
- 3,000 km/s
- 3,000,000 km/s
- 300 km/s
- 300,000 km/s (correct)
Use of light
Use of light
What is the difference between reflection and refraction?
What is the difference between reflection and refraction?
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