In vacuum, Light travels at a speed of
Q. In vacuum, Light travels at a speed of
A. 3.0 × 107 m s-1
B. 30 × 108 m s-1
C. 3.0 × 10-8 m s-1
D. 3.0 × 108 m s-1
Answer: 3.0 × 108 m s-1
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