Advertisements
Advertisements
Question
Give reasons for the following statement :
The duration of day and night is equal everywhere on 21st March and 23rd September.
Advertisements
Solution
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.
RELATED QUESTIONS
Name the two hemispheres of the earth made by the Equator.
Give a geographical reason for the length of day and night is not equal at all places on the earth.
On which two days are the days and nights equal all over the world and why ? What name do you give to these days?
Distinguish between:
Vertical and Slanting Rays
Distinguish between:
Equinox and Solstice
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 :
Seasons are reversed between Northern and Southern Hemisphere.
Give reasons for the following :
Tropical latitudes are the hottest part of the’Earth.
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
Why are days longer than nights in summer?
