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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?
- 200,000,000 meters per second
- 299,792,458 meters per second (correct)
- 250,000,000 meters per second
- 300,000,000 meters per second
What is the primary source of natural light on Earth?
What is the primary source of natural light on Earth?
- The Moon
- Stars
- The Sun (correct)
- Bioluminescent organisms
Which color of light has the shortest wavelength?
Which color of light has the shortest wavelength?
- Red
- Green
- Violet (correct)
- Blue
