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MMLU-Pro / 9482 / A tube of water is traveling at 1/2 c relative to the lab frame when a beam of…

Problem

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

question

A tube of water is traveling at 1/2 c relative to the lab frame when a beam of light traveling in the same direction as the tube enters it. What is the speed of light in the water relative to the lab frame? (The index of refraction of water is 4/3.)

category

physics

options

  1. 9/10 c
  2. 1 c
  3. 1/2 c
  4. 5/6 c
  5. 3/4 c
  6. 1/3 c
  7. 4/5 c
  8. 10/11 c
  9. 2/3 c
  10. 7/8 c

src

ori_mmlu-college_physics

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Source and history

Official source

initial import