Application of reflection of sound ( Sound boards, Ear trumpet, Mega phone)

[@bhaskars9281]

Akka pic ellam potu solli thareenga . Neenga superb akka .thanks for uploading with pic. Ethanaala ennala nalla understand paanna mudiyuthu . Thanks a lot more akka 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[@rukmani7684]

Good explained

[@subashinir2815]

akka last pic varala
very helpfull la iriku akka unga teaching

[@sudhakarpalanivelu4694]

Excellent explanation !

[@rasikakarthivelrasika4288]

Mam very good mam👍👍👍👍👍👌👌

[@rohitjain79]

It’s been a while since I’ve been following your videos, and I must say, they are amazing! By any chance, is there a scope for business collaboration?

[@sathyajs103]

😇😇😇😇

[@murugansathya5516]

சூப்பார நீங்க நடத்திரிங்க

[@lsksir3048]

Thanks for your explain mem

[@keerthilakshmi975]

Mam nuclear physics lessons video upload pannunga

[@indianclassicaldance3809]

Last pic varala

[@orangebullgaming7319]

U

[@syedafatima955]

Mam which language is thz can't undrstnd

[@shrishsatheesh3274]

It's Tamil.

[@tejuujet3084]

Akka athu concave illa convex only converging

[@kasirajannagarani172]

Plz...explain me

[@SivaKumar-mu5pj]

Visible ஆகாது sound. Sound audible ஆகாது என கூறுவது சரியானது. தவறாக கூறி மாணவர்களை குழப்பி எதிர் அறிவியலை கற்பிக்க வேண்டாம்.

[@nanthidhamagesh6316]

What she said she said everything correct only

[@rasikakarthivelrasika4288]

@@nanthidhamagesh6316 kwksl

[@daksh725]

Speak English please