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MMLU-Pro / 9170 / A gas cell with an optical path length of 10 cm is placed in one arm of a…

Problem

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question

A gas cell with an optical path length of 10 cm is placed in one arm of a Michelson interferometer. If the light source for the interferometer is a laser with wavelength 632.2 nm, then 100 fringes are counted as the gas cell is evacuated. What is the index of refraction of the original gas?

category

physics

options

  1. 1.00032
  2. 1.00063
  3. 1.00047
  4. 1.00052
  5. 1.00001
  6. 0.99957
  7. 1.00016
  8. 0.99968
  9. 0.99974
  10. 0.99999

src

ori_mmlu-college_physics

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