Read and download NCERT Class 11 Geography Introduction To Remote Sensing in NCERT book for Class 11 Geography. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Geography textbook for Class 11 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 11 Geography to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 11 Geography Practical Work in Geography Chapter 7 Introduction To Remote Sensing
Class 11 Geography students should refer to the following NCERT Book Practical Work in Geography Chapter 7 Introduction To Remote Sensing in Class 11. This NCERT Book for Class 11 Geography will be very useful for exams and help you to score good marks
Practical Work in Geography Chapter 7 Introduction To Remote Sensing NCERT Book Class 11
STAGES IN REMOTE SENSING
Figure 7.2 illustrates the processes used in remote sensing data acquisition. These basic processes that help in the collection of information about the properties of the objects and phenomena of the earth surface are as follows :
(a) Source of Energy (sun/self-emission);
(b) Transmission of energy from the source to the surface of the earth;
(c) Interaction of energy with the earth’s surface;
(d) Propagation of reflected/emitted energy through atmosphere;
(e) Detection of the reflected/emitted energy by the sensor;
(f) Conversion of energy received into photographic/digital form of data;
(g) Extraction of the information contents from the data products; and
(h) Conversion of information into Map/Tabular forms.
a. Source of Energy: Sun is the most important source of energy used in remote sensing. The energy may also be artificially generated and used to collect information about the objects and phenomena such as flashguns or energy beams used in radar (radio detection and ranging).
b. Transmission of Energy from the Source to the Surface of the Earth: The energy that emanates from a source propagates between the source and the object surface in the form of the waves of Introduction To Remote Sensing energy at a speed of light (300,000 km per second). Such energy propagation is called the Electromagnetic Radiation (EMR). The energy waves vary in size and frequency. The plotting of such variations is known as the Electromagnetic Spectrum (Fig. 7.3). On the basis of the size of the waves and frequency, the energy waves are grouped into Gamma, X– rays, Ultraviolet rays, Visible rays, Infrared rays , Microwaves and Radio waves. Each one of these broad regions of spectrum is used in different applications. However, the visible, infrared and microwave regions of energy are used in remote sensing.
EXERCISE
1. Choose the right answer from the four alternatives given below
(i) Remote sensing of objects can be done through various means such as A. remote sensors, B. human eyes and C. photographic system. Which of the following represents the true order of their evolution.
(a) ABC
(b) BCA
(c) CAB
(d) None of the above
(ii) Which of the following regions of Electromagnetic spectrum is not used in satellite remote sensing.
(a) Microwave region
(b) Infrared region
(c) X - rays
(d) Visible region
(iii) Which of the following is not used in visual interpretation technique ?
(a) Spatial arrangements of objects
(b) Frequency of tonal change on the image
(c) Location of objects with respect to other objects
(d) Digital image processing
2. Answer the following questions in about 30 words.
(i) Why is remote sensing a better technique than other traditional methods?
(ii) Differentiate between IRS and INSAT series of satellites.
(iii) Describe in brief the functioning of pushbroom scanner.
3. Answer the following questions in about 125 words.
(i) Describe the operation of a whiskbroom scanner with the help of a diagram. Explain how it is different from pushbroom scanner.
(ii) Identify and list the changes that can be observed in the vegetation of Himalayas (Fig.7.9).
Please refer to attached file for NCERT Class 11 Geography To Remote Sensing
| NCERT Class 11 Geography Geography As A Discipline |
| NCERT Class 11 Geography The Origin And Evolution Of The Earth |
| NCERT Class 11 Geography Interior Of The Earth |
| NCERT Class 11 Geography Distribution of Oceans and Continents |
| NCERT Class 11 Geography Minerals And Rocks |
| NCERT Class 11 Geography Geomorphic Processes |
| NCERT Class 11 Geography Landforms And Their Evolution |
| NCERT Class 11 Geography Composition And Structure Of Atmosphere |
| NCERT Class 11 Geography Solar Radiation Heat Balance and Temperature |
| NCERT Class 11 Geography Atmosphoric Circulation And Weather System |
| NCERT Class 11 Geography Water In The Atmosphere |
| NCERT Class 11 Geography World Climate and Climate Change |
| NCERT Class 11 Geography World Climate And Climate Change Questions |
| NCERT Class 11 Geography Water Oceans |
| NCERT Class 11 Geography Movements Of Ocean Water |
| NCERT Class 11 Geography Life On The Earth |
| NCERT Class 11 Geography BioDiversity And Conservation |
| NCERT Class 11 Geography Glossary |
| NCERT Class 11 Geography India Location |
| NCERT Class 11 Geography Structure And Physiography |
| NCERT Class 11 Geography Drainage System |
| NCERT Class 11 Geography Climate |
| NCERT Class 11 Geography Natural Vegetation |
| NCERT Class 11 Geography Soils |
| NCERT Class 11 Geography Natural Hazards And Disasters |
| NCERT Class 11 Geography Appendix Glossary |
| NCERT Class 11 Geography Introduction to Maps |
| NCERT Class 11 Geography Map Scale |
| NCERT Class 11 Geography Latitude Longitude and Time |
| NCERT Class 11 Geography Map Projections |
| NCERT Class 11 Geography Topographical Maps |
| NCERT Class 11 Geography Introduction To Aerial Photographs |
| NCERT Class 11 Geography Introduction To Remote Sensing |
| NCERT Class 11 Geography Weather Instruments Maps and Charts |
Geography NCERT Book Class 11 Practical Work in Geography Chapter 7 Introduction To Remote Sensing
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NCERT Book Class 11 Geography Practical Work in Geography Chapter 7 Introduction To Remote Sensing
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Class 11 Practical Work in Geography Chapter 7 Introduction To Remote Sensing NCERT Book Geography
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