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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
What is a geographic grid?
Express 1° angular distance in kilometers.
Give reasons for the following
The speed of the rotation of the earth is greater at the Equator than at the Arctic Circle.
Describe the two interesting phenomena made by the circle of illumination viz., Solstice and Equinox.
Which is the longest and which is the shortest day in the Northern Hemisphere and why?
Name the longest day in the Northern Hemisphere.
At which latitude, is the Sun overhead on 21st June?
Name the two ends of the Axis of the Earth.
When does the summer solstice occur ?
When is the spring equinox?
