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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
Name the two hemispheres of the earth made by the Equator.
Express 1° angular distance in kilometers.
Give reasons for the following
The period of twilight and dawn increases polewards.
Name the longest day in the Southern Hemisphere.
At which latitude is the Sun overhead on 22nd – December?
When does the summer solstice occur ?
Give reasons for the following statement:
Daylight decreases as we go polewards from March 21st to June 21st in the Southern Hemisphere
Give reasons for the following :
Seasons are reversed between Northern and Southern Hemisphere.
Give reasons for the following:
There is no Twilight and Dawn on the Equator.
What is a Geoid?
