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प्रश्न
Give reasons for the following :
The duration of day and night is equal everywhere in the world on 21st March
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उत्तर
On March 21 rays of the sun fall vertically on the equator, and because of the inclined axis of the earth, the circle of illumination passes through the two poles resulting in equal duration of day and night all over the world.
संबंधित प्रश्न
Name the thermal zones of the earth.
What is meant by Equinox?
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.
Describe the two interesting phenomena made by the circle of illumination viz., Solstice and Equinox.
Distinguish between:
Vertical and Slanting Rays
Name the longest day in the Northern Hemisphere.
Name the longest day in the Southern Hemisphere.
Give reasons for the following statement:
On the 22nd of December, the altitude of the midday Sun at Colombo is different from that of Delhi.
Give reasons for the following :
Twilight is of longer duration in higher latitudes than at Equator.
