The speed of light in a vacuum is about:

  1. 340 m/s
  2. 3.0 10^5 m/s
  3. 3.0 10^10 m/s
  4. 3.0 10^8 m/s
Answer

D) 3.0 10^8 m/s

c. SLO P-11-F-02 · Understanding

Physics MCQ · More Special Relativity MCQs · Practise