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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
What is a geographic grid?
Which temperature zone receives almost vertical rays of the sun and which zones receive slanting rays?
Mention one effect of seasons in low and high latitudes.
Which is the longest and which is the shortest day in the Northern Hemisphere and why?
On which dates does the sunshine vertically overhead at Equator?
Distinguish between:
Equinox and Solstice
Name the shortest day in the Northern Hemisphere.
At which latitude is the Sun overhead on 22nd – December?
Name the two ends of the Axis of the Earth.
Why are days longer than nights in summer?
