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प्रश्न
Give reasons for the following :
The duration of day and night is equal everywhere in the world on 21st March
उत्तर
On March 21 rays of the sun fall vertically on the equator, and because of the inclined axis of the earth, the circle of illumination passes through the two poles resulting in equal duration of day and night all over the world.
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संबंधित प्रश्न
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