Exam-style question
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What happens to time at the event horizon of a black hole?.
- A.Time speeds up
- B.Time slows down
- C.Time stops completely
- D.Time remains constant
Model answer
What a good answer should say
- Time slows down
Explanation
Why this works
As an object approaches the event horizon of a black hole, time appears to slow down relative to an outside observer due to the intense gravitational field.
Common mistake
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