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प्रश्न
Give reasons for the following
The period of twilight and dawn increases polewards.
उत्तर १
On account of the oblique path of the sun towards poles than the vertical path along the equator, the length of dawn and twilight is greater, as it is nearly one hour near the equator and 50 days at the poles.
उत्तर २
Latitudes go on increasing polewards. In the middle and high altitudes duration of sunlight is limited. Both twilight and dawn continue so long as the sun is 18° below
संबंधित प्रश्न
What is a geographic grid?
What is the globe? State the importance of a globe.
Give reasons for the following
The speed of the rotation of the earth is greater at the Equator than at the Arctic Circle.
Give reasons for the following
Noon is hotter than morning.
Give reasons for the following
Vertical rays are hotter than slanting rays.
Which is the longest and which is the shortest day in the Northern Hemisphere and why?
Describe how the duration of sunlight changes from the Equator to the Poles with respect to the angle of incidence.
Name the shortest day in the Northern 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.
