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प्रश्न
Give reasons for the following :
Twilight is of longer duration in higher latitudes than at Equator.
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उत्तर
The duration of twilight at a place depends on the path of the Sun in the sky. In the low latitudes, where the Sun’s path is almost vertical, the duration of twilight is short. The Sun sinks below the horizon rapidly. In the middle and high latitudes the duration of twilight is long because at these latitudes the Sun has an inclined path.
संबंधित प्रश्न
What is a geographic grid?
Name the two hemispheres of the earth made by the Equator.
Express 1° angular distance in kilometers.
Mention one effect of seasons in low and high latitudes.
Give reasons for the following
Days and nights are equal at all places on earth on March 21.
Give reasons for the following
Vertical rays are hotter than slanting rays.
On what dates are the days and nights equal throughout the world ?
At which latitude, is the Sun overhead on 21st June?
Name the two ends of the Axis of the Earth.
Give reasons for the following :
Tropical latitudes are the hottest part of the’Earth.
