Answer in short (objective type)
1 What is a topographical sheet?
2 What colours are used on a topographical sheet?
3 Name the types of scales used on a map?
4 What is an opisometer?
5 What is the main purpose to design the topographical sheets?
Answer in detail (subjective type)
1) Why colours are used on a topographical sheet? Write the use and meaning of each
colour
2) What is the full form of R.F?
3) What steps can be followed to measure distances on a map?
4) What are conventional signs and symbols?
5) Draw signs and symbols of the following:
(i) metalled road (ii) unmetalled road (iii) lined and unlined wells (iv) temple (v)
mosque (vi) church (vii) lighthouse.
Draw Diagrams of Conventional Signs and Symbols (Refer page 9)
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Answers
Answer:
1 topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names.
2 The color brown is used to denote most contour lines on a map, which are relief features and elevations.
3 There are three main ways that scale is indicated on a map: graphic (or bar), verbal, and representative fraction (RF).
4 An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.
5 An objective of topography is to determine the position of any feature or more generally any point in terms of both a horizontal coordinate system such as latitude, longitude, and altitude. Identifying (naming) features, and recognizing typical landform patterns are also part of the field .
2nd part
1 The color brown is used to denote most contour lines on a map, which are relief features and elevations. Topographic maps use green to denote vegetation such as woods, while blue is used to denote water features like lakes, swamps, rivers, and drainage.
2 Radio frequency (RF) is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 GHz to as low as 9 kHz.
3 Measure distance between points
On your computer, open Google Maps. ...
Right-click on your starting point.
Choose Measure distance.
Click anywhere on the map to create a path to measure.
4 Conventional symbols are widely recognized signs or sign systems that signify a concept or idea that all members of a group understand based on a common cultural understanding. Conventional symbols are different than contextual symbols, which are defined by a situation or the signs surrounding it.
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Answer:
1 topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names.
2 The color brown is used to denote most contour lines on a map, which are relief features and elevations.
3 There are three main ways that scale is indicated on a map: graphic (or bar), verbal, and representative fraction (RF).
4 An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.
5 An objective of topography is to determine the position of any feature or more generally any point in terms of both a horizontal coordinate system such as latitude, longitude, and altitude. Identifying (naming) features, and recognizing typical landform patterns are also part of the field .
2nd part
1 The color brown is used to denote most contour lines on a map, which are relief features and elevations. Topographic maps use green to denote vegetation such as woods, while blue is used to denote water features like lakes, swamps, rivers, and drainage.
2 Radio frequency (RF) is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 GHz to as low as 9 kHz.
3 Measure distance between points
On your computer, open Google Maps. ...
Right-click on your starting point.
Choose Measure distance.
Click anywhere on the map to create a path to measure.
4 Conventional symbols are widely recognized signs or sign systems that signify a concept or idea that all members of a group understand based on a common cultural understanding. Conventional symbols are different than contextual symbols, which are defined by a situation or the signs surrounding it.
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Explanation: