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MMLU-Pro / 9582 / Find the phase difference between light reflected from the inner and outer…

Problem

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

question

Find the phase difference between light reflected from the inner and outer surfaces of a deposit of magnesium fluoride (n = 1.38) 1000 \AA thick on a lens surface (a) for violet light of wavelength 4000 \AA (b) for red light of wavelength 7000 \AA. (Neglect variations of n with \lambda.)

category

physics

options

  1. 210 degrees and 110 degrees
  2. 248 degrees and 142 degrees
  3. 300 degrees and 150 degrees
  4. 230 degrees and 130 degrees
  5. 256 degrees and 144 degrees
  6. 200 degrees and 120 degrees
  7. 270 degrees and 135 degrees
  8. 315 degrees and 175 degrees
  9. 180 degrees and 90 degrees
  10. 290 degrees and 160 degrees

src

stemez-Optics

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Official source

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