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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 · 2023 · Paper I, General Studies · Q45 of 120

Geo-Scientist Prelims 2023 General Studies Q45: Which one of the following statements for the emission spectrum of…

QuestionAtomic structure / hydrogen spectrum

Which one of the following statements for the emission spectrum of hydrogen is true?

  1. (a) The Lyman series lies in the visible region and the Paschen series lies in the infrared region.
  2. (b) The Lyman series lies in the ultraviolet region and the Paschen series lies in the visible region.
  3. (c) Both the Lyman and the Paschen series lie in the visible region.
  4. (d) The Lyman series lies in the ultraviolet region and the Paschen series lies in the infrared region.

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