B. Write one-word answers.
1. The maps prepared by the Survey of India on the scale of 1: 50,000
2. The colour used to show settlements on a map
3. The method in which the scale of a map is expressed in
numerical fraction
4. The scale that remains correct after enlargement or reduction of a map
5. On a topo sheet CH refers to this
Answers
Answer:
1 Topographical Maps –
Topographical Maps –These were printed by Survey of India on1:250,000; 1:50,000 and 1:25,000 scales. Technically they were based on Everest Datum and Polyconic Projection.
2 Red is the colour to represent settlements on a topo map. RED colour is used to show SETTLEMENTS on a topo -Sheet
3 Representative Fraction: A method ofscale of a map or plan expressed as afraction showing the ratio between a unit distance on the map or plan, and the distance measured in the same units on the ground.
4 The amount that an original image has been enlarged or reduced is called a scale factor, or an enlargement or reduction factor.
5 In a topographic map or topo sheet, CH refers to club house. The topographicmap is an accurate and detailed 2 dimensional representation of human-made and also natural features on the surface of the Earth's
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Answer:
(1) Tropical Map or Troposheet
(2) Yellow
(3) Representive Fraction
(4) Linear Scale
(5) Club House