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प्रश्न
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
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उत्तर
It is because circle of illumination is widest at the equator and goes on decreasing towards the poles.
संबंधित प्रश्न
Who devised the lines of latitude and longitude?
What are the lines of latitude?
Name the thermal zones of the earth.
Explain how latitudes and longitudes help to determine the position of a place on the globe?
Give a geographical reason for the period of twilight and dawn increases polewards.
Give reasons for the following
Days and nights are equal at all places on earth on March 21.
Describe the two interesting phenomena made by the circle of illumination viz., Solstice and Equinox.
Describe how seasons are made and reversed between the Northern and Southern Hemispheres.
At which latitude, is the Sun overhead on 21st June?
At which latitude is the Sun overhead on 22nd – December?
