alleryThe speed of light in vacuum is closest to which value?
A3 x 10^6 m/s
B3 x 10^5 m/s
C3 x 10^10 m/s
D3 x 10^8 m/s
Answer & Solution
Correct answer: D. 3 x 10^8 m/s
The speed of light in vacuum is 299792458 m/s, about 3 x 10^8 m/s.
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