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प्रश्न
Give reasons for the following statement :
The duration of day and night is equal everywhere on 21st March and 23rd September.
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उत्तर
These are two special positions in the revolutionary course of the Earth when days and nights are equal throughout the world. They are the two equinox, the first on March 21 st and the second on September, 23 rd. Because on these two days the mid-day sun is overhead at the equator, the positions of both the hemispheres are the same in respect of the sun.
संबंधित प्रश्न
Explain how latitudes and longitudes help to determine the position of a place on the globe?
What is meant by Equinox?
What are the seasons in the Northern and the Southern Hemispheres on 23rd September?
On which two days are the days and nights equal all over the world and why ? What name do you give to these days?
On which dates does the sunshine vertically overhead at Equator?
With the help of a diagram describe the heat zones.
Distinguish between:
Vertical and Slanting Rays
When is the spring equinox?
Give reasons for the following Statement :
The areas, lying on the Equator, have their duration of day-light almost constant throughout the year.
What is a Geoid?
