#Ncert science #SOUND || #kritikajnv class 8
Channel: kritika jnv
Date: 11/12/2020

Sound 📣📢🎵
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hello my dearest watchers..welcome to my channel kritika jnv 😊😊
in this video we are going to study sound chapter of #Ncert science class 8 
we will covered following points 👇


* what is sound ? introduction 
* vibration || ☆Ossilation 
* simple pendulum 
♢ characteristics of vibration 
• characteristics of sound 

■amplitude ■ 

■ time period ■

■ frequency ■ 

● Loudness of sound 

● pitch 

high frequency / low frequency 

I hope you have understood all points clearly and like video. 
so don't forget to share this video more and more. 

in next video you will know some more about sound chapter 


if you have any doubts about the video than do share it on comments. 

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