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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
What are the lines of latitude?
Explain how latitudes and longitudes help to determine the position of a place on the globe?
On which two days are the days and nights equal all over the world and why ? What name do you give to these days?
Describe how the duration of sunlight changes from the Equator to the Poles with respect to the angle of incidence during the solstices.
With the help of a diagram describe the heat zones.
Name the longest day in the Northern Hemisphere.
Name the longest day in the Southern 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 ?
