NCERT Class 11 Geography Chapter 27 Map Projections

NCERT Class 11 Geography Chapter 27 Map Projections Solutions to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 11 Geography and select need one. NCERT Class 11 Geography Question Answers Download PDF. NCERT Geography Class 11 Solutions.

NCERT Class 11 Geography Chapter 27 Map Projections

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Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. CBSE Class 11 Geography Solutions are part of All Subject Solutions. Here we have given NCERT Class 11 Geography Part I: Fundamentals of Physical Geography, Part II: Indian: Physical Environment, Part III: Practical Work in Geography. NCERT Class 11 Geography Notes, NCERT Class 11 Geography Textbook Solutions for All Chapters, You can practice these here.

Map Projections

Chapter: 27

GEOGRAPY [ PART – III ]

TEXTUAL QUESTIONS ANSWERS

VERY SHORT ANSWER TYPE QUESTIONS

Q.1. What is a map projection?

Ans. A map projection is a means of representing the lines of latitude and longitude of the globe on a flat sheet of paper by using geometrical and mathematical methods.

Q.2. What is graticule?

Ans. The network of parallels and meridians is known as graticule.

Q.3. What is meant by a standard parallel?

Ans. Standard parallel is that parallel along which the cone touches the globe.

Q.4. Why is a map projection needed?

Ans. A map projection is used to prepare maps from the globe.

Q.5. Classify the projection on the basis of construction.

Ans. Four types of map projections on the basis of their construction are:

(a) Cylindrical projection.

(b) Conical projection.

(c) Zenithal projection.

(d) Conventional projection.

Q.6. What do you understand by developable surface? 

Ans. The developable surface is that which can be cut or unfold into flat sheet of paper e.g. cylinder or cone.

Q.7. How do you find the radius of the globe according to a given scale?

Ans. Radius of the globe according to a given scale is calculated on the basis of the following formula:

Radius of the globe = Given R.F. actual radius of the earth.

Q.8. State the rule for finding out the length of equator.

Ans. L= 2πR.

Q.9. What is the demerit of cylindrical projection?

Ans. Scale along parallels is increased.