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प्रश्न
What is the “Prime Meridian”?
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उत्तर
The Prime (or First) Meridian is the meridian from which longitude is measured. It is numbered. 0° longitude. It is the meridian which passes through Greenwich (near London). Thus the Prime Meridian is also called the Greenwich line.
संबंधित प्रश्न
Which line of longitude is used to fix the World Standard Time? State its value in degrees.
Give a reason the greenwich time is called Greenwich Mean Time.
State the use of the lines of longitude in relation to distance and time.
Make a detailed study of finding time with the help of longitudes. Give one practical example.
Calculate the location of a place where the local time is noon when it is 7.30 p.m. at Greenwich.
How many lines of longitude are there?
Why are letters E or W added to longitude values?
A ship crossing international dateline at mid-night on Wednesday Eastwards, find that it is mid-night Tuesday on the American side. Why?
What are the main characteristics of local time?
What are lines of latitude and longitude?
