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प्रश्न
Give a reason for the lines of longitude are also called Meridians of longitude.
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उत्तर
The word ‘meridian’ means related to noon or 12 p.m. As every longitude receives the noontime or 12 p.m. at different intervals where the sun’s rays are exactly vertical over a particular longitude. On a particular longitude, the noon-time is the same from north to south; so a longitude is also called a Meridians of longitude.
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संबंधित प्रश्न
An important programme was to be broadcast from Mumbai at 7.30 p.m. This was heard by some Indian sailors near Ivory Coast in West Africa at 20°W longitude. What was the local time there?
What is the longitude of a place where the local time 1:15 p.m. when it is 4 a.m. at Chicago (88°W)?
Calculate the time at Durban (longitude 30°E) when the time is 7.00 a.m. at New York (75°W).
Which meridian is called Prime meridian?
What is “Greenwich Mean Time”?
Why do some countries have many time zones?
OR
What are ‘Time Zones’?
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.
Why do we have the concept of time zone?
The area found between 0° and 180° E lines of longitude is called.
