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MMLU-Pro / 10080 / A beam of parallel rays, parallel to the axis, falls on the objective of a…

Problem

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question

A beam of parallel rays, parallel to the axis, falls on the objective of a telescope equipped with aRamsdeneyepiece and adjusted so that the final image is at infinity. If the focal length of the objective is 30.00 cm and the common focal length of each of the lenses of the eyepiece is 6.0 cm, find the diameter of the beam of light emerging from the telescope. (Diameter of objective is 3.0 cm.)

category

physics

options

  1. 35 cm
  2. 10 cm
  3. 12 cm
  4. 20 cm
  5. 30 cm
  6. 25 cm
  7. 24 cm
  8. 15 cm
  9. 28 cm
  10. 18 cm

src

stemez-Optics

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