Latitudinal and longitudinal extent of India are 30 degrees. Then why is the North-South extent longer than the East-West extent?

We know that the latitudinal and longitudinal extent of India are 30º. We also know the fact that North-South extent longer than the East-West extent. Have you wondered the reason behind it?

Longitudinal and Latitudinal extent

  • The latitudinal extent of India from the north end Kashmir to south end Kanniyakumari is 37°6′N to 8°4′N
  • The longitudinal extent of India from west end Gujarat to east end Arunachal Pradesh is 68°7′E to 97°25′E.
  • On calculating both of these extents we get to that these are approximately of 30°.

Distance between the two ends

  • The actual distance between the ends North and South is 3214 km.
  • The distance between two ends east and west is 2933 km.

Why North-South extent longer than the East-West extent?

North-South extent longer than the East-West extent due to the following reasons:

  • The distance between latitudes remain the same throughout but the distance between the two longitudes reduces as moved towards poles
  • The distance between two latitudes is constant that is 111 km but the distance between two longitudes is 111 km at the equator and reduces to 0 at the poles.
  • In other words, we can say that India’s north-south extent and distance remains unaltered
  • The distance between the two longitudes decreases and the east-west extends has a U shaped bending which actually reduces the actual east-west distance.

Hence, the lines of longitude come nearer and the East-West distance becomes less than the North-South distance.

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