##### Chapter 2

#### Landforms of the Earth

###### Highlights

- A. Very short answer type questions.
- B. Short answer type questions.
- C. Long answer type questions.
- D. Match the following column.
- E. Distinguish between the following.
- F. Map skills.

#### EXERCISE

###### Type - 1

###### Question 1 :

**Q.1.**Find the distance between the following pairs of points:

(i) (2, 3), (4, 1)

(ii) (–5, 7), (–1, 3)

(iii) (a, b), (–a, –b)

###### Formulae used :

Distance Formula to find distance between two points (x_{1},y_{1}) and (x_{2},y_{2}) is **D = √[(x _{2} – x_{1})^{2} + (y_{2} – y_{1})^{2} ]**. The distance formula to find the distance of a point P(x, y) from the origin O(0,0) is D = √((x

_{2}+ y

_{2}).

###### Solution :

Sol. (i) Here x

_{1}= 2, y_{1}= 3, x_{2}= 4 and y_{2}= 1 ∴ The required distance

###### Practice Questions

**Q.1.**Find the distance between the following pairs of points:

(i) (2, 3), (4, 1)

(ii) (–5, 7), (–1, 3)

(iii) (a, b), (–a, –b)

**Q.1.**Find the distance between the following pairs of points:

(i) (2, 3), (4, 1)

(ii) (–5, 7), (–1, 3)

(iii) (a, b), (–a, –b)

**Q.1.**Find the distance between the following pairs of points:

(i) (2, 3), (4, 1)

(ii) (–5, 7), (–1, 3)

(iii) (a, b), (–a, –b)

###### Related Topics

- Chapter 1 The Cell – Its Structure and Functions
- Chapter 2 Microorganisms: Friends or Foes
- Chapter 3 Metals and Non-Metals
- Chapter 4 Force and Pressure
- Chapter 5 Friction
- Chapter 6 Sources of Energy
- Chapter 7 Combustion
- Chapter 8 Conservation of Plants and Animals
- Chapter 9 Crop Production and Its Management
- Chapter 10 Refraction and Dispersion of Light
- Chapter 11 The Human Eye
- Chapter 12 Sound
- Chapter 13 Synthetic Fibres and Plastics
- Chapter 14 Reproduction in Animals
- Chapter 15 Reaching the Age of Adolescence
- Chapter 16 Electric Current and Its Chemical Effects
- Chapter 17 Stars and Solar System
- Chapter 18 Earthquakes
- Chapter 19 Pollution of Air
- Chapter 20 Pollution of Water