Multiple choice

Light travels at a speed of

  1. 400, 000km/second

  2. 200, 000km/second

  3. 300, 000km/second

  4. 600, 000km/second
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The speed of light in a vacuum is approximately 299,792 kilometers per second, which is commonly rounded to 300,000 km/s in educational contexts.

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