Get NCERT Solutions and Notes for Chapter 12 Class 9 Sound. At Teachoo, we provide you concepts of the chapter, and the related questions of it at the bottom. The related questions are from NCERT Back Exercise, Questions from inside the book, Examples from inside the book, extra questions which we have made for your practice.
In this chapter, we will learn
What is Sound?
How is sound produced?
Important Points about Sound
Longitudinal and Transverse Waves
Compressions and Rarefactions in Sound Wave
Characteristics of Sound Wave
Speed of Sound
Wavelength of Sound Waves
Loudness, Intensity, Pitch and Quality of Sound
Reflection of Sound
Reverberation of Sound
Range of Hearing, Ultrasound and Infrasound
Different Applications of Ultrasound
Structure and Function of Human Ear
In adddition to these concepts, we have NCERT Questions, Examples and Questions from inside the book solved for you.
And, Teachoo team also made some extra question for your practice and revision, like
What is the difference between tone and note?
Multiple Choice Questions
1 Mark Questions
Difference between longitudinal and transverse waves
How does a hearing aid work?
What is a Sonic Boom?
Click on a link below to start doing the chapter.
Note: When you click on a link, the first post will open. To open other questions and concepts, there is a list with arrows at the bottom. It has all the concepts and questions mentioned