Advertisements
Advertisements
प्रश्न
What are ‘National Grid Reference’?
उत्तर
Grid lines are imaginary lines drawn on a survey map in red colour. The origin of the Grid is a point south-west of the map. The ‘National Grid Reference’ is used for indicating the correct position of a particular feature on the map.
APPEARS IN
संबंधित प्रश्न
Name one offshore oil field of India
Name the state that produces the largest amount of limestone.
What are the following?
The black vertical line between eastings 09 and 10
Name the types of drainage pattern found in grid square 9374.
Why do you find limited cultivation in the map extract? Give two reasons for your answer
What are ‘Eastings’ and ‘Northings’?
What is a Nodal centre?
(i) On a topographical map two stations A and B are situated at height of 500 metres and 100 metres respectively. If the horizontal distance between them is 2 km, calculate the gradient.
(ii) On a topographical map, two places A and B are given. Calculate the gradient between them.
(i) What is the importance of a Relief Map.
(ii) How can we show occupations by the evidences of names or by inference of relief features?
Give a summary of dimension and scale of topographical maps.
