Chapter 1 Rational and Irrational Numbers Set 1.4
Chapter 1 Rational and Irrational Numbers Set 1.4 Question 1. The number √2 is shown on a number line. Steps are given to show √3 on the number line using…
Chapter 1 Rational and Irrational Numbers Set 1.3
Chapter 1 Rational and Irrational Numbers Set 1.3 Question 1. Write the following rational numbers in decimal form. ii. 15/42 iii. 9/14 iv. -103/5
Chapter 1 Rational and Irrational Numbers Set 1.2
Chapter 1 Rational and Irrational Numbers Set 1.2 Question 1. Compare the following numbers. Solution: i. 7, -2 If a and b are positive numbers such that a < b,…
Chapter 1 Rational and Irrational Numbers Set 1.1
Chapter 1 Rational and Irrational Numbers Set 1.1 Question 1. Show the following numbers on a number line. Draw a separate number line for each example. Solution: i. 3/2, 5/2,…
Chapter 19 Life Cycle of Stars
Chapter 19 Life Cycle of Stars Textbook Questions and Answers 1. Search and you will find: Question a. Our galaxy is called ………… . Answer: Our galaxy is called the Milky…
Chapter 18 Ecosystems
Chapter 18 Ecosystems Textbook Questions and Answers 1. Complete the following by using the correct option: Question a. Air, water, minerals, soil are ………….. factors of an ecosystem. (physical, organic,…
Chapter 17 Man-made Materials
Chapter 17 Man-made Materials Textbook Questions and Answers 1. Try to find it: Question a. Plastic shows …………. property, hence it can be moulded to any shape. Answer: Plastic shows plasticity property,…
Chapter 16 Reflection of Light
Chapter 16 Reflection of Light Textbook Questions and Answers 1. Fill in the blanks: Question i. The perpendicular to the mirror at the point of incidence is called …………. .…
Chapter 15 Sound
Chapter 15 Sound Textbook Questions and Answers 1. Fill in the blank with appropriate word: Question a. The region in a sound wave, with higher pressure and density is called…
Chapter 14 Measurement and Effects of Heat
Chapter 14 Measurement and Effects of Heat Textbook Questions and Answers 1. A. Whom should I pair with? Question a. Group ‘A’ Group ‘B’ 1. Temperature of a healthy human…