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MMLU-Pro / 9347 / A silicate crown prism of apex angle 15° is to be combined with a prism of…

Problem

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question

A silicate crown prism of apex angle 15° is to be combined with a prism of silicate flint so as to be achromatic for rays of wavelength 400m\muand 700m\mu. For crown glass, n_400 = 1.522, n_700 = 1.504. For flint glass, n_400 = 1.662, n_700 = 1.613 (n denotes the index of refraction of the prism). Find the apex angle of the flint prism.

category

physics

options

  1. 3 degrees
  2. 15 degrees
  3. 5.5 degrees
  4. 12 degrees
  5. 8 degrees
  6. 7.5 degrees
  7. 9 degrees
  8. 6 degrees
  9. 20 degrees
  10. 10 degrees

src

stemez-Optics

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