CHAPTER - 12 SOUND CLASS :- IX MADE BY :- MANAS MAHAJAN SCHOOL :- K.V. GANESHKHIND PUNE-7.
A sound is a wave and frequency determines pitch In your mind what is sound? Sound is an example of a mechanical wave and is produced by a vibrating object.
sound
Sound Waves Physics Chapter 13 Section 1. I. Production of sound waves Produced by an object vibrating Produced by an object vibrating -ex. Tuning fork.
Lesson 25 Any substance that a wave moves through is a medium Sound waves, Earthquake waves, and ocean waves all require matter to transfer energy 1.
