Скачать или смотреть In-text questions Chapter 11 Sound Class 9 Science NCERT Page No 115

NCERT solutions for class 9 science chapter 12 Sound (Old book)
NCERT solutions for class 9 science chapter 11 Sound (New book)
Class 9 science rationalised book solution
Welcome to our YouTube video on NCERT Class 9 Science Chapter 11 Sound, where we will be discussing the answers to the questions given on page no. 162,163 (old book) / 129 (new book) of this chapter.
In this video, we will cover intext questions of class 9 science chapter 12 page no. 162,163 (old book). Class 9 science chapter 11 page no. 129 (new book)
I will explain each question in a simple and easy-to-understand manner, using examples and illustrations that will help you grasp the concepts better. This video is especially helpful for those who are preparing for their Class 9 Science exams and want to score good marks.
So, whether you are a student or a teacher, this video is a must-watch for anyone who wants to understand the concept of gravitation in a better way. So, sit back, relax, and enjoy. Don't forget to like, share and subscribe to our channel ( @masterji2020 ) for more such informative videos
1. How does the sound produced by a vibrating object in a medium reach your ear?
2. Explain how sound is produced by your school bell.
3. Why are sound waves called mechanical waves?
4. Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?