Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Write a note on Grid reference. - Social Science

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Answer in Brief

Write a note on Grid reference.

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Solution

  1. The location of a place can be simply defined by its latitude and longitude.
  2. In normal practice, latitude is stated first, and then comes the longitude.
  3. The latitude and longitude of a place can be expressed in units of degree, minutes, and seconds.
  4. A grid is a set of lines with alphanumeric codes for defining a location on a map in many topographical sheets.
  5. The lines that run horizontally from left to right of the map are known as northings.
  6. The lines that run vertically from the top to the bottom of the map are called eastings.
  7. The points at which the vertical and horizontal lines of the grid intersect are called coordinates which are identified by numbers or letters.
Concept: Bhuvan
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