Physics · Speed of Light
What is the approximate speed of light in a vacuum when expressed in kilometers per second (km/s)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1300,000 km/s✓
- 230,000 km/s
- 33,000,000 km/s
- 43,000 km/s
Correct answer
300,000 km/s
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