Advertisements
Advertisements
प्रश्न
The area is measured by grid square method?
Advertisements
उत्तर
To find the area by the grid square method: The grid square on toposheet measures 2 cm × 2 cm., or 1 km., × 1 km., since 2 cm., is equal to 1 km. Therefore, the area of each square is 1 sq. km. To find particular area on a topographical map:
No .of. complete squares : 4 = 4.0 sq.km
No.of 1/2 squares : 2 = 1.0 sq. km
No.of 2/3 squares : 5 = 3.3 sq.km
No.of 1/3 squares : 4 = 1.3 sq .km
__9.6 sq.km. ___
Note the number of complete grid square within the area and the number of squares lying within the area are not complete.
(i) Square covered half are taken as 1 /2 squares.
(ii) Square covered more than half are taken as 2/3 squares.
(iii) Square covered less than half are taken as 1/3 squares.
Add all the squares thus, the area which has to be found out is calculated.
संबंधित प्रश्न
Give the four figure grid reference of the settlement of Hamirpura.
What does the blue coloured circle in the grid square 0619 represent?
Describe the importance of colours on the toposheet?
The distance is measured on the topographic map. There are two methods of measuring distance on the toposheets,
(i) Direct-method,
(ii) Indirect method.
Measuring straight distance is a direct method and measuring through a winding course is an indirect method. Explain both the methods.
(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 the meanings of the important terms used in toposheets.
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
(a) Give the four figure grid reference of a settlement with
(i) Spot height 261 (ii) Post office.
(b) What is the difference in the pattern of drainage in grid square 1606 and in 1007?
(c) Name two natural features seen in grid square 0910.
(d) Calculate the distance in kilometers along the metalled road from the causeway East of Was to the distance stone 10.
(e)
(i) Which is a universally accepted scale?
(ii) State the length of the given map in kilometers.
(f) Give the six figure grid reference of:
(i) A temple South of Dhavli settlement
(ii) 
277.
(g) Which are the two different kind of roads shown in the map extract?
(h) Mention two main occupations shown on the map extract.
(i) How are the gentle and steep slopes shown on a map?
(j) What do the following mean?
(k) What is the direction of Dattani and Dhavli from Chandela?
(l) Name two man made features in grid square 1210.
(m) What do the words Motorable in dry season in grid square 1701 refer to?
What do they indicate about the rainfall received by the region shown in the map extract?
Answer the following questions on the Survey Sheet Number 45 D/7.
(a) Give six figure grid references of the following:
(i) ∆ 364 (ii) The temple at Rampura
(b) Mention any two features seen in the map extract which show that the region has seasonal rainfall
(c) Calculate the distance in kilometres along the cart-track linking Juvol (923826) and Amiwada (944817).
(d) Which is the chief form of irrigation shown in the map extract? Give an evidence to justify your answer.
(e) Give one reason to explain why the streams in grid square 9478 do not join a river. Identify another grid square in the map extract that has similar streams.
(f) What do the following represent:
(i) Black broken lines in 9575 (ii) Black curved lines in 9879.
(g) Identity two landforms shown by the contours in grid square 9876.
(h) (i) What is the general direction of the Balram Nadi?
(ii) Which bank of the main river does the Balram Nadi join?
(i) What is the main occupation of the people living in the area shown in the map extract? Give one reason to support your answer.
(j) What is meant by scale of a map? What is the scale of the map extract provided to you?
Write short note on ‘Marginal Information’ in Topographical sheets.
Study the extract from the topographical sheet No. 63K/12, as shown in the figure below and answer the following questions-
- Convert 1:50,000 into a statement of scale.
- Name the major settlements of the area.
- What is the direction of flow of the river Ganga?
- At which one of the banks of river Ganga, Bhatauli is located ?
- What is the pattern of rural settlements along the right bank of river Ganga?
- Name the villages/settlements where Post Office is located ?
- What does the yellow colour in the area refer to?
- What means of transportation is used to cross the river by the people of Bhatauli village?
R. F. 1: 50,000
Part of the Topographical Sheet No 63K/12
