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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 · 2025 · Paper I, General Studies · Q10 of 120

Geo-Scientist Prelims 2025 General Studies Q10: A transmitting antenna at the top of a tower has a height 32 m and…

QuestionCommunication / line of sight

A transmitting antenna at the top of a tower has a height 32 m and the height of the receiving antenna is 128 m. What is the maximum distance between them for satisfactory communication in Line of Sight mode? (The radius of the Earth = 6400 km)

  1. (a) 45254 km
  2. (b) 45254 m
  3. (c) 60715 m
  4. (d) 60715 km

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