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Class 9th - Sound

Created by Priyanka Choudhary, Last Updated 19-Aug-2019, Language:English

Class 9th - Sound

Simply Easy Learning

Created by Priyanka Choudhary, Last Updated 19-Aug-2019, Language:English


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.

Course Content

Priyanka Choudhary

She holds an M Sc. in physics from Pondicherry Central University and also B Ed. from Regional Institute of Education (NCERT), Bhubaneswar. She comes with some experience as a physics and chemistry teacher in schools as well as IIT Foundation courses. Currently associated with Tutorials Point as a Trainer, she makes video lectures on Physics and Chemistry for classes 9 and 10. She makes the concepts easier to understand for the students.