Civil Services Prep

Prelims 2019 · Geography · Question 80

On 21st June, the Sun

  1. does not set below the horizon at the Arctic Circle
  2. does not set below the horizon at Antarctic Circle
  3. shines vertically overhead at noon on the Equator
  4. shines vertically overhead at the Tropic of Capricorn

Answer

does not set below the horizon at the Arctic Circle

  • (a) Correct: 21 June is the Summer Solstice in the Northern Hemisphere. At the Arctic Circle (66.5° N), the Sun does not set below the horizon (midnight sun).
  • (b) Incorrect: On 21 June, the Antarctic Circle is in continuous darkness/polar night, not continuous daylight.
  • (c) Incorrect: On 21 June, the Sun is overhead at the Tropic of Cancer (23.5° N), not the Equator.
  • (d) Incorrect: The Sun is overhead at the Tropic of Capricorn (23.5° S) on about 22 December, not on 21 June.
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