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MMLU-Pro / 9577 / While examining the surface of a polishedworkpieceby interferometryusing…

Problem

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question

While examining the surface of a polishedworkpieceby interferometryusing thallium light of wavelength 535 nm, it is found that in a certain area on the surface the fringes are distorted by 0.4 of the distance between the undistorted fringes. What is the depth, or elevation, of the defect?

category

physics

options

  1. 0.8 × 2.675 × 10^-7m
  2. 0.2 × 535 × 10^-9m
  3. 2.14 × 10^-4mm
  4. 0.4 × 535 × 10^-7m
  5. 2.675 × 10^-7m
  6. 1.07 × 10^-4mm
  7. 0.4 × 535 × 10^-6m
  8. 535 × 10^-9m
  9. 0.4 × 2.675 × 10^-7m
  10. 1.07 × 10^-6m

src

stemez-Optics

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