CBSE Class 9 Science Chapter 12 Sound Notes

Get access to Sound notes for class 9 here at BYJU’S. Notes are prepared by academic professionals having extensive knowledge. They are put across in a crisp and concise layout for the best of students’ comprehension. Continue reading to explore sound notes in detail.

CBSE Class 9 Science Chapter 12 Sound

Topics Covered In Chapter Sound

Production Of Sound

Propagation Of Sound

Sound Needs A Medium To Travel

Sound Waves Are Longitudinal Waves

Characteristics Of A Sound Wave

Speed Of Sound In Different Media

Reflection Of Sound

Echo

Reverberation

Uses Of Multiple Reflection Of Sound

Range Of Hearing

Applications Of Ultrasound

Sonar

Structure Of Human Ear

Stay tuned with BYJU’S for more on Sound notes.

Frequently asked Questions on CBSE Class 9 Science Notes Chapter 12: Sound

What is ‘Sound’?

The sensation perceived by the sense of hearing is known as Sound.

What is ‘Propagation of sound’?

Sound is a sequence of waves of pressure which propagates through compressible media such as air or water.

What is ‘Reverberation’?

Reverberation is the persistence of a sound after its source has stopped, caused by multiple reflection of the sound within a closed space.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

BOOK

Free Class