Physicseasy · Past Paper
What is the speed of light in a vacuum?
A3 x 10^7 m/s
B3 x 10^8 m/s
C3 x 10^9 m/s
D3 x 10^6 m/s
✓ Correct Answer: B — 3 x 10^8 m/s
Light travels at its maximum speed of approximately 300,000,000 meters per second in a vacuum.
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