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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 · 2024 · Paper I, General Studies · Q3 of 120

Geo-Scientist Prelims 2024 General Studies Q3: Which one of the following experiments explains the wave nature of…

QuestionAtomic structure / dual nature

Which one of the following experiments explains the wave nature of electromagnetic radiation ?

  1. (a) Black-body radiation
  2. (b) Photoelectric effect
  3. (c) Rutherford's scattering experiment
  4. (d) Diffraction of light

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