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प्रश्न
Give reasons for the following
Days and nights are equal at all places on earth on March 21.
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उत्तर
The rays of the sun fall vertical on the equator or the middle part of the earth, on March 21, So the distribution of light is equal all over the world resulting the duration of the day and night equal from pole to pole. It is called the Vernal Equinox
संबंधित प्रश्न
Name the thermal zones of the earth.
Which line is known as the Prime Meridian?
What is the globe? State the importance of a globe.
Give reasons for the following
Vertical rays are hotter than slanting rays.
On which dates does the sunshine vertically overhead at Equator?
Distinguish between:
Vertical and Slanting Rays
On what dates are the days and nights equal throughout the world ?
Give reasons for the following :
Twilight is of longer duration in higher latitudes than at Equator.
Give reasons for the following :
Seasons are reversed between Northern and Southern Hemisphere.
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
