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MMLU-Pro / 9346 / In an experiment with a stellar interferometer, the fringes from the star…

Problem

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question

In an experiment with a stellar interferometer, the fringes from the star Betelgeuse had zero visibility for a wave-length in the middle of the visible spectrum for a separa-tion of the mirrors of 3m. Estimate the angle subtended by Betelgeuse in arc seconds.

category

physics

options

  1. 0.046 second of arc
  2. 0.040 second of arc
  3. 0.058 second of arc
  4. 0.093 second of arc
  5. 0.030 second of arc
  6. 0.034 second of arc
  7. 0.072 second of arc
  8. 0.052 second of arc
  9. 0.085 second of arc
  10. 0.065 second of arc

src

stemez-Optics

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Source and history

Official source

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