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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
Which line is known as the Prime Meridian?
How has the phenomenon of the ‘Midnight Sun’ come about?
Give a geographical reason for the period of twilight and dawn increases polewards.
On which two days are the days and nights equal all over the world and why ? What name do you give to these days?
Name the two ends of the Axis of the Earth.
When is the spring equinox?
Give reasons for the following :
Seasons are reversed between Northern and Southern Hemisphere.
Give reasons for the following :
The duration of day and night is equal everywhere in the world on 21st March
Give reasons for the following :
Tropical latitudes are the hottest part of the’Earth.
Why are days longer than nights in summer?
