Class 9th - Sound

Simply Easy Learning

updated on icon Updated on Sep, 2023

language icon Language - English

person icon Priyanka Choudhary

architecture icon Teaching & Academics,Schools,9th Class


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Course Description

In this chapter, we will learn about Sound. We will understand how sound propagates as compression and refractions in any medium. We will learn in detail about how vibration of objects produces sound.

We will make learning easy for you with a detailed explanation about the different characteristics of sound, the speed of sound among the various concepts under Sound that we will cover in this chapter.


These video lectures have been prepared exclusively for the students of class 9 of English Medium Central Board of Secondary Education, who ought to have a better understanding of Sound, the mechanical energy that facilitates the sensation of hearing.

Class 9th - Sound


Check out the detailed breakdown of what’s inside the course

12 Lectures
  • play icon Sound - Introduction 08:43 08:43
  • play icon Production of Sound 09:24 09:24
  • play icon Propagation of Sound 11:44 11:44
  • play icon Sound a Mechanical Wave 10:12 10:12
  • play icon Why can't Sound be Heard on the Moon 02:56 02:56
  • play icon Graphical Representation of Sound Waves 06:23 06:23
  • play icon Characteristics of Sound Waves Part-1 09:40 09:40
  • play icon Characteristics of Sound Waves Part-2 09:19 09:19
  • play icon Speed of Sound 03:51 03:51
  • play icon Sound can't Travel Through Vacuum 06:47 06:47
  • play icon Sound Problem -2 05:15 05:15
  • play icon Sound Problem -3 03:16 03:16

Instructor Details



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