हाइगेंस का द्वितीयक तरंग सिद्धांत || haigens ka dutiyak tarang siddhant ||Class 12th Physics

[@SurajTudu-dm8km]

Thanks you so much ma'am ❤❤❤ aise hi aap gussa question vvi wala videos laye🎉🎉🎉🎉

[@SaguftaRehmat]

Galvanometer kra dijiye plz mam

[@goldydangi]

Chemistry ka vvi question kar dijiye naa di

[@Rupeshkumar-36v56]

Mam chemistry me kya banaya chart par

[@Ben_10-g7y]

Mam hygens ka niyam ka upyog karke snell ka niyam kaise prove kare

[@Rupeshkumar-36v56]

Hi