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MMLU-Pro / 10332 / If a star that is 20 light-years from Earth explodes, gravitational waves from…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

If a star that is 20 light-years from Earth explodes, gravitational waves from the explosion would reach Earth in

category

physics

options

  1. 10 years, as gravitational waves travel at double the speed of light
  2. 5 years, as gravitational waves travel at four times the speed of light
  3. 40 years, as gravitational waves travel at half the speed of light
  4. Instantly, as gravitational waves travel at infinite speed
  5. 20 years.
  6. None of these.
  7. 100 years, as gravitational waves travel at a fifth the speed of light
  8. more than 20 years.
  9. less than 20 years.
  10. It would never reach Earth

src

ori_mmlu-conceptual_physics

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Source and history

Official source

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