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MMLU-Pro / 9352 / The sodium doublet has wavelength of 589.0 nm and 589.6 nm. If the diffraction…

Problem

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

question

The sodium doublet has wavelength of 589.0 nm and 589.6 nm. If the diffraction grating is blazed so as to be used best in the second order, at least how many lines must the grating have in order to resolve the doublet?

category

physics

options

  1. 560 lines
  2. 520 lines
  3. 500 lines
  4. 600 lines
  5. 470 lines
  6. 450 lines
  7. 480 lines
  8. 510 lines
  9. 430 lines
  10. 491 lines

src

stemez-Optics

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