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MMLU-Pro / 9976 / A large telescope is focused on a double star and the interference pattern is…

Problem

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question

A large telescope is focused on a double star and the interference pattern is observed when an adjustable double slit is placed in front of the objective. The distance between the centers of the components of the double slit is gradually increased until the fringes disappear. If this distance is 57.5 cm, find the angular separation of the two components of the double star. (Take mean \lambda = 5550A°.)

category

physics

options

  1. 0.35 second of arc
  2. 0.25 second of arc
  3. 0.05 second of arc
  4. 0.5 second of arc
  5. 0.1 second of arc
  6. 0.4 second of arc
  7. 0.01 second of arc
  8. 0.15 second of arc
  9. 0.3 second of arc
  10. 0.2 second of arc

src

stemez-Optics

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