Which statement follows from the constancy of c?

  1. Light can be stopped
  2. Two observers in relative motion can disagree about time intervals
  3. Lengths are absolute
  4. All clocks tick at the same rate
Answer

B) Two observers in relative motion can disagree about time intervals

Time dilation. SLO P-11-F-02 · Understanding

Physics MCQ · More Special Relativity MCQs · Practise