Interference of Sound Waves || 11th Class Physics - Chapter 8

[@rhseries7658]

Best physics teacher ever on youtube🌹🌹🌹

[@ghulamzain-ul-abedinkheran5678]

Sir path difference in terms of constructive and destructive interference kya hota ha

[@mabubakar620]

If a "naked" microphone is hit by a stream of air, it breaks up against the hard edges of the inlet and creates air vortices. When the broadcast goes under the open sky, the wind is howling in the microphone. Therefore, a microphone is worn with a fur or foam cover - windshield, which breaks the air in front of the microphone. Covers are also needed in the studio, as some singers or speakers "spit" the air on explosive consonants - "P" or "B". Listeners get a "blow" to the ears. Thus, without wind protection, neither a quality live sound nor a professional sound recording is possible. The shielding material used - wire gauze, fabric or foam - is designed to have a significant acoustic impedance. The relatively low particle-velocity air pressure changes that constitute sound waves can pass through with minimum attenuation, but higher particle-velocity wind is impeded to a far greater extent. Increasing the thickness of the material improves wind attenuation but also begins to compromise high frequency audio content. This limits the practical size of simple foam screens. While foams and wire meshes can be partly or wholly self-supporting, soft fabrics and gauze require stretching on frames, or laminating with coarser structural elements.

[@sweetiunion8771]

Sir what is meant by integral multiple

[@SabiSabi-u7p]

Great ❤❤

[@zafarullahkhan1258]

Sir plzz Make a video on doppler Effect

[@usmansaleem6610]

Thank u so much.....sir. I was here just for the confusion in path difference.....and u cleared it ....thank alot....

[@mohd_uveash]

Aap konsa mic use krte ho sir

[@aqsazahoor1908]

Great 👍

[@adeebaasif5022]

Waa sir mza Agya

[@saeedakhtar8318]

Best teacher 🙂🙂🙂

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❤❤❤

[@fazalrabbi4686]

Thank you sir❤

[@MuhammadBilal-ez8ke]

شکریہ سر

[@MuhammadAbdullah-tx3lm]

Very well explained 👏

[@hazrathussain6820]

Best teacher 🙂🙂💗💗❤️💗😘👍

[@saminakayani8340]

Mashallah

[@asaleem3851]

good 👍

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👍👍👍👌👌

[@MuhammadAkram-zf2uh]

Appreciate you nice sir 🥰

[@TheBaseAcademy999]

Thank you🙏💕

[@pakistanimemes6765]

Nice sir g

[@umarsunami8833]

Sir nice

[@shifanaqvi4975]

Brilliant

[@zaibjutt9014]

اعلٰی

[@ROZUFF-x3s]

Board lecture please

[@sidraliaqat5459]

nice😊

[@ummefarva4439]

🤟👌

[@rhseries7658]

I love you yar♥️♥️♥️

[@Cricketexpert121]

Sir is it L.Q plz tell me

[@mahnoorarshadmughal7697]

Yes... impo long que for paper.

[@hunzabeautifulplace7603]

how can the motion of moving charged particles be use to distinguish between a magnetic field and an electric field

[@hunzabeautifulplace7603]

I need answer plz sir

[@muhammadhafeez4020]

A charge particle moving in an electric filed will be accelerated in the direction of e.filed..whereas a charge particle moving in a spiral with axis being the direction of magnetic field...magnetic field only acts on moving charge.

[@sherazbahtti1156]

BoArd pr prhaya kre

[@muhammadhafeez4020]

Yes sir .. same here request

[@ahsanziakhan28]

sir sound ka bht isuue hai improve your sound

[@pakistanimemes6765]

I love you 😘♥️❤️

[@muazabdullah8806]

Thank you sir 😊❤❤❤

[@Invisible_target]

Nice sir ji