Muons created in the upper atmosphere reach the ground, though their half-life is very short, because of:

  1. mass decrease
  2. time dilation
  3. the Doppler effect
  4. length expansion
Answer

B) time dilation

Their clocks run slow for us. SLO P-11-F-05 · Understanding

Physics MCQ · More Special Relativity MCQs · Practise