UPSC Previous Year Question | Prelims GS | 2019

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

Correct Answer

does not set below the horizon at the Arctic Circle

Explanation

On 21 June (summer solstice in the Northern Hemisphere) the Sun is vertically overhead at the Tropic of Cancer, and at the Arctic Circle it does not set (midnight sun). The Sun is overhead at the Equator on the equinoxes and at the Tropic of Capricorn on about 22 December.

Topics: earth's motions, geography, physical geography, summer solstice (21 june)