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प्रश्न
Calculate the longitude of a place where the local time is 6.00 a.m. when the time is 9.00 p.m. at New Delhi on longitude 77° E.
उत्तर
The time difference between the required place and New Delhi is 6 + 9 = 15 hours, so the time in minutes = 15 × 60 = 900 minutes. So the longitudinal difference is 900/4 = 225°. So the place will be in the west at 225° – 77° = 148° W.
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संबंधित प्रश्न
Give a reason for the following:
Lines of longitude are also called Meridians of longitude?
With reference to the International Date Line, state the following:
Give an example of how time lost or gained is computed with reference to this line.
Name the two hemispheres of the Earth made by the equator?
Why are letters E or W added to longitude values?
Give a reason for the following :
“The International Date Line is not a straight line coinciding with longitude 180 degrees.” Why?
“The degree of longitude decreases in length poleward”. Why?
What is the relation between longitude and time?
Or
“There is a difference of 4 minutes of time for one degree of longitude”. Why?
Fill in the blanks.
The 0° Meridian is also known as ____________________.
True or False.
The time at a place in the east of Greenwich is ahead of that in Greenwich.
How are the hemispheres divided on the basis of lines of latitude and longitude? Explain with diagrams.
