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प्रश्न
On which two days are the days and nights equal all over the world and why ? What name do you give to these days?
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उत्तर
On 21st March and 23rd September the days and flights are equal all over and the world due to the sun’s rays vertical on the equator. The name is Equinox of this position.
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संबंधित प्रश्न
Who devised the lines of latitude and longitude?
Express 1° angular distance in kilometers.
Which line is known as the Prime Meridian?
What is meant by Equinox?
How has the phenomenon of the ‘Midnight Sun’ come about?
Name the shortest day in the Southern Hemisphere.
Give reasons for the following statement:
On the 22nd of December, the altitude of the midday Sun at Colombo is different from that of Delhi.
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?
