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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2022 · Paper I, General Studies · Q94 of 120

Geo-Scientist Prelims 2022 General Studies Q94: The refractive index of a prism made of flint glass is

QuestionOptics / dispersion

The refractive index of a prism made of flint glass is

  1. (a) the same for all wavelengths in white light
  2. (b) higher for red light than for violet light
  3. (c) higher for violet light than for red light
  4. (d) highest for green and yellow lights and lowest for violet and red lights

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