A spaceship moving at 0.5c shines a light forward. An observer on Earth measures the light's speed as:

  1. 1.5c
  2. c
  3. 2c
  4. 0.5c
Answer

B) c

Light speed is invariant. SLO P-11-F-02 · Understanding

Physics MCQ · More Special Relativity MCQs · Practise