Science · General Science
What is the speed of light in a vacuum?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 x 10^8 km/s
- 23 x 10^8 m/s✓
- 33 x 10^10 cm/s
- 43 x 10^5 m/s
Correct answer
3 x 10^8 m/s
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