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प्रश्न
Give reasons for the following statement:
The regions, near North Pole and South Pole, have six months of continuous day-light and darkness.
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उत्तर
On account of the obliquity of the earth’s axis, for six months i.e., from March 21 to Sept. 23, the north pole is inclined towards the Sun and is always in the light. During this period the South pole is inclined away from the Sun and is throughout in the dark. Hence it is a day for six months at the north pole and night at the south pole. But from September 23 to March 21st the case is just the opposite. The north pole is inclined away from the Sun and is in the dark while the south pole is inclined, towards the Sun and is in the light.
संबंधित प्रश्न
Express 1° angular distance in kilometers.
Which temperature zone receives almost vertical rays of the sun and which zones receive slanting rays?
Which temperature zone receives slanting rays?
What are the seasons in the Northern and the Southern Hemispheres on 23rd September?
Mention one effect of seasons in low and high latitudes.
Give a geographical reason for the period of twilight and dawn increases polewards.
Give reasons for the following
Vertical rays are hotter than slanting rays.
With the help of a diagram describe the heat zones.
Give reasons for the following :
Seasons are reversed between Northern and Southern Hemisphere.
Give reasons for the following :
Tropical latitudes are the hottest part of the’Earth.
