SOUND full lesson | Physics | Class 8 | CBSE Syllabus

SOUND full lesson | Physics | Class 8 | CBSE Syllabus
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.
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[@devisravani7277]

1:10:53 if we increase more sound music then that music leads to noice pollution??in music only constant frequency and amplitude exist thriughout the song??noice contains different frequency and amplitude??

[@devisravani7277]

High pitch voice is clarity compared to low pitch?

[@MridulAm-xv7uj]

This guy saved ma whole exam

[@jhansikumarjkrk8693]

Very useful sir .thank you sir

[@Sunnylucythefriends]

Thank you so much sir ☺️

[@satyasree4735]

Nice explanation

[@sasikumarmarkandan8677]

Thank you so much

[@SreelathaAnimela]

Nice explanation sir

[@srinivasan-bl6ol]

Good teaching sir

[@sirishayalla1075]

Sir sound will not travel in solid or liquid or gas or vacuum

[@raziyakareem7432]

Solid

[@sudaroisudaroli8956]

Sound can not travel in vacuum

[@sudaroisudaroli8956]

Sound can also travel in liquid and gas and solid

[@user-if2jn1oh3h]

nice explanation sir

[@sandeshsanju777]

Thank you sir

[@veenaprabhakar9089]

i love ur gyatt

[@mandaviprabhudessai6459]

sir, very nicely explained.

[@nithishanithisha9794]

Very nice sir 😊

[@3gamerzboy]

zz

[@devisravani7277]

Sir plzz give any example for the formula at 1:02:42 regarding loudness and amplitude

[@devisravani7277]

Aplitude formula?

[@devisravani7277]

For 10db loudness how much or how many frenquency is being generated from the breath
Any relation ship is there between Amplitude and frequency??

[@devisravani7277]

Frequency is directly proportion to amplitude?if yes then at which case this condition is applicable?

[@sirishayalla1075]

Aa good ok

[@aitharajuswathi9419]

🎉

[@aitharajuswathi9419]

Superb 😊

[@jaatsaab292]

Good

[@devisravani7277]

Sir in 17:08 when we hit the vessel with spoon slowly it gives sound but we cant able to see the movement of vessel .I mean you said that body moves or vibrates(which we can see the moves of the body) my doubt is we are hiting the vessel(body) with spoon slowly without any movement of the vessel vessel is producing sound how sir? In your perspective vessel(body) should have to move orvibrate then only it gives sound but my case I not able to see the movements of vessel when iam hitting slowly with my spoon
Plzzz clarity my doubt sir

[@devisravani7277]

Means Iron kind of bodies when we hit hardly also dont move easity but produce sounds
Thats why i got doubt
I my school bell rangs at my lunch break i observed the person who rung the bell he just hit the bell hardly the Iron body kept vertical to the top it moves and gives sound but in my home Iron pan which kept horizontally on the wall and I hit that pan but I didnot observe movement or vibration of the pan eventhough i hit hardly but giving more sound that is giving sound pollution
What is the reason behind this sir plzz clarify sir

[@devisravani7277]

Sir which object should vibrate the object which we are using to hit the pan or the object which we are hitting .which object should vibrate (pan or spoon ) to get the sound from pan

[@devisravani7277]

Trees cant propagate sound furthur?

[@Lucy_telaila_.]

It really helped me....before it was hard for me to understand, but now it seems like its a piece of cake to me 😅😊

[@learngrow4839]

U r amazing

[@shaikhaseena3946]

What's meaning by dynamics

[@filmymoji123]

Moving

[@ravinasinaravi964]

Sir your explanation super I understand clearly without any doubt

[@guggillahemasai4177]

Very nice explanation sir when my teacher I Don't understand but now I understanding the chapter 😊😊

[@sarojinimalleda6850]

Thank you so much sir it helpfull for my novodaya exam

[@banothrajitha5807]

Sir your class is superb 👍👌

[@devisravani7277]

Frequency means the vibrated sound how long it will give sound and Aplitutude means how much sound we get from the place were the sound is being generated??this analogy right or wrong tell anyone

[@devisravani7277]

Sir 52:44 the electric signals going to nervous is equal to the electricity produced to the home current appliences??

[@gandhodiharikumar110]

😢😂❤❤❤😊😊

[@jaatsaab292]

Class 8 mathematics

[@maheshbabu-zh6iw]

😮😊😊

[@devisravani7277]

Human cant get sound after 20000 Hz or human get effect his ears when hearing 20000Hz plzz give reply sir

[@filmymoji123]

No

[@parinithaparinitha3142]

Nice

[@santoshdb4901]

Good information sir 🎉

[@sarojpradhan6861]

👌👌👌👌👌👌👌

[@sahanaa8590]

Thanks gunda

[@sudharshanyadav661]

Sir why get blood from ears after listening noise

[@sairakul4764]

Completed studying

[@veenaprabhakar9089]

date me

[@SreelathaAnimela]

7th class

[@suhanikumari5345]

For ex of vib^n a haircutting machine

[@user-ux6ms6eq7v]

Hi

[@kunchesrinivasarao4771]

sir your classis beatiful😂🤣🤣🤣🤣🤣😀😀😀😀😀😀😀😀😀😀🥰🥰🥰🥰🥰

[@ramcharanthota]

Very bad manas

[@learnenglishwithnikita4153]

Nice explanation sir

[@jaatsaab292]

Good

[@nageshrao5316]

Good