WATCH VIDEO : CLICK HERE: https://youtu.be/zr8w_t7TEvE
This video deals with the phenomena sound. here we are trying to understand the chapter 12 , sound of class 9th. Major key points in the video are characteristics of sound, what is sound, how is sound produced and does it propogates. After watching this video, you will be able to clearly to understand the first part of the chapter sound.
Sound is a form of energy which needs a medium to propogate. #sound_chapter_notes #sound_class_9_notes #subscribe_KARO best notes on Sound is a mechanical energy which produces sensation of hearing. Sound is produced due to vibration of different objects best sound class 9 formulas force and laws of motion class 9 formulas, physics formulas for class 9 cbse pdf basic formula of sound, sound class 9 notes pdf, all formulas of physics class 9 ncert, physics formulas for class 9 pdf download, all formulas of physics class 9 motion, sound chapter in physics class 9 ppt,