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प्रश्न
“The degree of longitude decreases in length poleward”. Why?
उत्तर
The Equator is the longest parallel on the Earth. All other parallels become shorter polewards due to the spherical shape of the Earth. So the meridians near the poles have a narrow space. One degree of longitude is the longest at the equator (111 km) at 45° latitude it is 79 km, at 60° latitude it is 55 km and at poles, it is zero km.
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संबंधित प्रश्न
Which line of longitude is used to fix the World Standard Time? State its value in degrees.
With reference to the International Date Line, state the following:
It is meaning and application.
Which meridian is called Prime meridian?
Into how many time zones, has the world been divided?
Why are letters E or W added to longitude values?
Explain how the longitude of a place affects the time.
What is “Greenwich Mean Time”?
Give a reason for the following :
When it is noon at Cairo (30°E), the local time in New York (75°W) is 5.00 a.m.
State two properties of lines of longitude.
Fill in the blanks.
The 0° Meridian is also known as ____________________.
