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प्रश्न
How has the phenomenon of the ‘Midnight Sun’ come about?
उत्तर
The sun's rays fall vertically on the Tropic of Cancer at the Northern Hemisphere's summer solstice. At the equator, sunlight lasts for 12 hours; at 23 1/2° N, it lasts for 13 hours and 27 minutes; at 66 1/2° N, it lasts for 24 hours. The areas outside the Arctic Circle have 24-hour daylight. This phenomenon, which only occurs near the poles, is known as the "Midnight Sun."
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संबंधित प्रश्न
What is the globe? State the importance of a globe.
Give reasons for the following
The period of twilight and dawn increases polewards.
Give reasons for the following
Noon is hotter than morning.
With the help of a diagram describe the heat zones.
Name the longest day in the Northern Hemisphere.
When does the winter solstice occur?
Give reasons for the following Statement :
The areas, lying on the Equator, have their duration of day-light almost constant throughout the year.
Give reasons for the following statement :
The duration of day and night is equal everywhere on 21st March and 23rd September.
Give reasons for the following :
Altitude of the Sun varies at a place according to seasons
Give reasons for the following:
There is no Twilight and Dawn on the Equator.
