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प्रश्न
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
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उत्तर
It is because circle of illumination is widest at the equator and goes on decreasing towards the poles.
संबंधित प्रश्न
What is a geographic grid?
What are the lines of latitude?
Which temperature zone receives almost vertical rays of the sun and which zones receive slanting rays?
Give a reason for the following:
A globe is the most popular model of the earth.
What are the seasons in the Northern and the Southern Hemispheres on 23rd September?
Mention one effect of seasons in low and high latitudes.
Give reasons for the following
The speed of the rotation of the earth is greater at the Equator than at the Arctic Circle.
Distinguish between:
Vertical and Slanting Rays
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.
