NCERT India Physical Environment Textbook In Geography For Class XI

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Publisher Ncert Books
Author: NCERT Syllabus & Patterns
Available Available in all digital devices
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ou have already seen the map of India in the previous classes. Now you closely examine the map of India Figure 1.1 . Mark the southernmost and northernmost latitudes and the easternmost and westernmost longitudes. The mainland of India, extends from Kashmir in the north to Kanniyakumari in the south and Arunachal Pradesh in the east to Gujarat in the west. India s territorial limit further extends towards the sea upto 12 nautical miles about 21.9 km from the coast. See the box for conversion . Statute mile Nautical mile 1 Statute mile 1 Nautical mile
63,360 inches 72,960 inches about 1.6 km 1.584 km about 1.8 km 1.852 km
Our southern boundary extends upto 6 45' N latitude in the Bay of Bengal. Let us try to analyse the implications of having such a vast longitudinal and latitudinal extent. If you work out the latitudinal and longitudinal extent of India, they are roughly about 30 degrees, whereas the actual distance measured from north to south extremity is 3,214 km, and that from east to west is only 2,933 km. What is the reason for this difference Consult Chapter 3 on the topic Latitude, Longitude and Time in the book
Practical Work in Geography Part I NCERT, 2006 to find out. This difference is based on the fact that the distance between two longitudes decreases