Home PYQs UPPSC UPPSC MCQs Prelims 1994 (GS Paper I)

Question

Equinox, the two periods in the year when day and night are equal, occurs on:

  1. 21st march and 22nd September
  2. 22nd February and 23rd August
  3. 15th October and 23rd April
  4. 22nd July and 22nd December

Answer:

Option A: 21st march and 22nd September

Detailed Solution:

The correct answer is “21st march and 22nd September”.

21st March and 23rd September, direct rays of the sun fall on the equator. At this position, neither of the poles is tilted towards the sun; so, the whole earth experiences equal days and equal nights.