Exam-style question
Try this first
Which of the following is a consequence of time dilation?.
- A.Length contraction.
- B.Increased mass.
- C.Slower moving clocks.
- D.Faster moving clocks.
Model answer
What a good answer should say
- Slower moving clocks.
Explanation
Why this works
Formula: Δt = γ Δτ. Substitution: for v>0, γ>1.
Working: Δt > Δτ, meaning a moving clock takes longer to tick one second. Answer: moving clocks run slower.
Units/conclusion: Time dilation causes moving clocks to run slower.
Common mistake
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