Multiple choice general knowledge science & technology

Speed of Light in Vaccum?

  1. 3*10^10 m/s

  2. 3*10^10 cm/s

  3. 3*10^8 km/s

  4. 3*10^8 cm/s

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The speed of light in vacuum is approximately 3×10^8 m/s, which equals 3×10^10 cm/s. Option B correctly converts this value to centimeters per second, while the other options use incorrect units or magnitudes.