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प्रश्न
Give a reason for the following :
“The International Date Line is not a straight line coinciding with longitude 180 degrees.” Why?
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उत्तर
The International Date Line passes through the Pacific ocean where there are no landmasses. It follows 180° meridian for most of its distance. The dateline is zig-zag in some places to avoid the confusion of time on the same island. It avoids some islands and deviates from 180°. In Northern Hemisphere, it bends to the West of 180° while in the Southern Hemisphere it bends Eastwards.
संबंधित प्रश्न
Give a reason the greenwich time is called Greenwich Mean Time.
Give a reason the international date line deviates and goes zig-zag near some Islands in the Pacific ocean.
Make a detailed study of finding time with the help of longitudes. Give one practical example.
Calculate the local time in Singapore (104°E) when it is 6.00 p.m. at Greenwich.
What is the importance of Tropic of Capricorn?
Give a reason for the following :
The opposite meridians of longitude form a Great Circle.
“The degree of longitude decreases in length poleward”. Why?
The imaginary lines drawn vertically on Earth.
India is located in this hemisphere based on lines of longitude.
The network of lines of latitude and longitude.
