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Physics for IGCSE & O level - Rays And Waves (Section 6 - No. 44)

How is the speed of light commonly represented?
3 x 10^5 m/s
3 x 10^8 m/s
3 x 10^10 m/s
3 x 10^12 m/s

ახსნა

The speed of light in a vacuum is approximately 3 x 10^8 meters per second.

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