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Q: Which option can best describe equinox?
  • A. Earth is going around the sun.
  • B. North pole is tilted towards sun.
  • C. Neither of the poles is tilted towards sun.
  • D. South pole is tilted towards sun.
Correct Answer: Option C - Equinox is a situation in which sun is vertical over equator. It happens every year on 23rd September (autumnal equinox) and on 21st March (vernal equinox) such situation occurs during which the duration of day and night on earth becomes equal. As the sun is vertically over equator, hence neither of the poles is tilted towards sun. The inclination exists whenever sun is vertical over Tropic of Cancer and Tropic of Capricorn.
C. Equinox is a situation in which sun is vertical over equator. It happens every year on 23rd September (autumnal equinox) and on 21st March (vernal equinox) such situation occurs during which the duration of day and night on earth becomes equal. As the sun is vertically over equator, hence neither of the poles is tilted towards sun. The inclination exists whenever sun is vertical over Tropic of Cancer and Tropic of Capricorn.

Explanations:

Equinox is a situation in which sun is vertical over equator. It happens every year on 23rd September (autumnal equinox) and on 21st March (vernal equinox) such situation occurs during which the duration of day and night on earth becomes equal. As the sun is vertically over equator, hence neither of the poles is tilted towards sun. The inclination exists whenever sun is vertical over Tropic of Cancer and Tropic of Capricorn.