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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
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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.
संबंधित प्रश्न
How can the general climate of an area be described with the help of the lines of latitudes?
Which temperature zone receives slanting rays?
What is meant by Equinox?
Give a geographical reason for the period of twilight and dawn increases polewards.
Name the shortest day in the Northern Hemisphere.
On what dates are the days and nights equal throughout the world ?
At which latitude, is the Sun overhead on 21st June?
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
Why are days longer than nights in summer?
Why are days and nights equal at all places on earth on September 23?
