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प्रश्न
Give reasons for the following Statement :
The areas, lying on the Equator, have their duration of day-light almost constant throughout the year.
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उत्तर
Days and Nights are equal throughout the year at the equator that is both days and nights are of twelve hours duration there.
Reason: The reason for this is that throughout the course of the earth’s revolution round the Sun, one half of the equator is always in the light and the other is in the dark, that is the circle of illumination always cuts the equator into two equal parts. Hence days and nights are always equal to every point at the equator.
संबंधित प्रश्न
Who devised the lines of latitude and longitude?
Name the thermal zones of the earth.
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?
Describe how the duration of sunlight changes from the Equator to the Poles with respect to the angle of incidence during the solstices.
Describe how seasons are made and reversed between the Northern and Southern Hemispheres.
Distinguish between:
Vertical and Slanting Rays
Give reasons for the following statement:
Daylight decreases as we go polewards from March 21st to June 21st in the Southern Hemisphere
Give reasons for the following statement:
Beyond the tropics, the Sun is never overhead
Give reasons for the following statement:
The regions, near North Pole and South Pole, have six months of continuous day-light and darkness.
