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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 · Q76 of 120

Geo-Scientist Prelims 2022 General Studies Q76: Which of the following can be used to determine the polarity of an…

QuestionMagnetism

Which of the following can be used to determine the polarity of an unmarked bar magnet?

  1. (a) An electroscope
  2. (b) Iron filings
  3. (c) A compass
  4. (d) Another unmarked bar magnet

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