1.
What is the speed of light in a vacuum?
A
3 × 10⁸ m/s
B
3 × 10⁶ m/s
C
3 × 10¹⁰ m/s
D
3 × 10⁴ m/s
View Answer
Correct Answer: A — 3 × 10⁸ m/s
Explanation:
The speed of light in vacuum is approximately 3 × 10⁸ m/s.
1 practice sets · Page 1 of 1
What is the speed of light in a vacuum?
3 × 10⁸ m/s
3 × 10⁶ m/s
3 × 10¹⁰ m/s
3 × 10⁴ m/s
Correct Answer: A — 3 × 10⁸ m/s
Explanation:
The speed of light in vacuum is approximately 3 × 10⁸ m/s.